Question

In 3 : 9 :: 4 : x, the value of x is​

Answer 1

Answer:

12

Step-by-step explanation:

We know that the products of extreme= product of middle terms

So: 3x = 9*4

3x= 36

So x = 36/12 = 3

Answer 2

Step-by-step explanation:

3 : 9 : : 4 : x

3/9 = 4/x

3 × x = 4 × 9

3x = 36

x = 36/3

x = 12

Hope it helps!!