Finding the Fourth Proportional to 11,373,999.71, 15,692,287.08 and 6,475,755.99
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Solution
The fourth proportional to 11,373,999.71, 15,692,287.08 and 6,475,755.99 is: 8,934,361.24
Step by Step Solution
- Step 1: Write the proportion equation
11,373,999.71 : 15,692,287.08 = 6,475,755.99 : x - Step 2: Convert to fraction form
11,373,999.71/15,692,287.08 = 6,475,755.99/x - Step 3: Cross multiply
11,373,999.71x = 15,692,287.08 × 6,475,755.99 - Step 4: Simplify right side
11,373,999.71x = 101,619,422,055,109.61 - Step 5: Solve for x
x = 101,619,422,055,109.61/11,373,999.71 - Step 6: Final answer
x = 8,934,361.24
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.