(iii) 2.8,
(11) 5, 7. 30
6. Find the fourth proportional to the numb
7. If 36, 54. X are in continued proportion, find the value of x.
8. If 27, 36, x are in continued proportion, find the value of x.
10. If the third proportional to 7 and x is 28, find the value of x.
12. What number must be added to each of the numbers 5, 9, 7,
5. ICx: 35 :: 48: 60, find
(1) 8, 36, 6
9. Find the third proportional to:
(1) 8 and 12
Hint. 7: X:: X:28. Find x.
11. Find the mean proportional between:
(1) 6 and 24
(iii) 4.5 and 6
(ii) 12 and 18
(iii) 0.4 and 0.9
(ii) 3 and 27
are in proportion?
13. What number must be subtracted from each of the numbe
numbers which are in proportion?
4. The scale of a map is 1 : 5000000. What is the actual distance
4 cm apart on the map?
high costs a shadow of length 8
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