Question

If 4 : x = 12 : 27 , then the value of x is: ( A ) 6 ( B ) 7 ( C ) 8 ( D ) 9

Answer 1

Answer:

D) 9

Step-by-step explanation:

4 : x =  12 : 27

=> 4/ x = 12/ 27

=> x = 4 * 27/12

=>  9.

Answer 2

Answer:

Step-by-step explanation:

Here, 4 and 27 are extremes,

x and 12 are means.

Product of extremes = Product of means

=> 4*27 = x*12

=> 4*27/12 = x

=> 9 = x