Home / 9,239.72-12,755.00-5,887.13

Finding the Fourth Proportional to 9,239.72, 12,755.00 and 5,887.13

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Solution

The fourth proportional to 9,239.72, 12,755.00 and 5,887.13 is: 8,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.72 : 12,755.00 = 5,887.13 : x
  2. Step 2: Convert to fraction form
    9,239.72/12,755.00 = 5,887.13/x
  3. Step 3: Cross multiply
    9,239.72x = 12,755.00 × 5,887.13
  4. Step 4: Simplify right side
    9,239.72x = 75,090,294.09
  5. Step 5: Solve for x
    x = 75,090,294.09/9,239.72
  6. Step 6: Final answer
    x = 8,126.91

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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.