Maths-
General
Easy
Question
Find x, if x, 4, 9, 12 are in proportion.
- 4
- 3
- 5
- 6
The correct answer is: 3
As x, 4, 9, 12 are in proportion
X:4 :: 9:12
x/4 = 9/12
x=(9*4)/12
x= 3
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