Finding the Fourth Proportional to 10,535.97, 14,542.43 and 6,554.82
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Solution
The fourth proportional to 10,535.97, 14,542.43 and 6,554.82 is: 9,047.39
Step by Step Solution
- Step 1: Write the proportion equation
10,535.97 : 14,542.43 = 6,554.82 : x - Step 2: Convert to fraction form
10,535.97/14,542.43 = 6,554.82/x - Step 3: Cross multiply
10,535.97x = 14,542.43 × 6,554.82 - Step 4: Simplify right side
10,535.97x = 95,322,978.24 - Step 5: Solve for x
x = 95,322,978.24/10,535.97 - Step 6: Final answer
x = 9,047.39
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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.