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Mathematics

Grade9

Easy

Question

If $fraction numerator a over denominator b end fraction equals fraction numerator c over denominator d end fraction$ , then $fraction numerator a over denominator c end fraction equals fraction numerator b over denominator d end fraction$ , is another proportion; this property is

Reciprocal property
Cross product property
Distributive property
Interchanging means

hint Hint:

The means are the values of the proportions that are the middle terms. The extremes are the values of the proportion that are furthest apart when written in ratio form using a colon.

The correct answer is: Interchanging means

The means are the values of the proportions that are the middle terms.
Here, $fraction numerator a over denominator b end fraction equals fraction numerator c over denominator d end fraction$ is equal to $fraction numerator a over denominator c end fraction equals fraction numerator b over denominator d end fraction$
Means are interchanged so This property is interchanging means.

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