Question

Find the value of x in the following proportion : x:4=9:12

Answer 1

Answer:

$\frac{x}{4} = \frac{9}{12} \\ \\ x = 3$

Answer 2

X:4 = 9:12

12*X = 9*4

X = (9*4)/12

X = 9/3 = 3

X = 3 ——> Answer