Question

if the compound ratio of 9:4 and 11:x is 100 then find x ​

Answer 1

Answer:

We have,

Compound ratio of 7:5 and 8:x=84:60

7×x:5×8=84:60

7x:40=84:60

Product of extremes = product of means

⇒7x×60=40×84

⇒

60

40×84

=7x

7x=56

x=8

Hence, this is the answer

Answer 2

Step-by-step explanation:

We have,

Compound ratio of 7:5 and 8:x=84:60

7×x:5×8=84:60

7x:40=84:60

Product of extremes = product of means

⇒7x×60=40×84

$= \frac{40 \times 84}{60} = 7x$

7x=56

x=8

Hence, this is the answer