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Finding the Fourth Proportional to 8,689.59, 13,010.54 and 6,575.09

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Solution

The fourth proportional to 8,689.59, 13,010.54 and 6,575.09 is: 9,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.59 : 13,010.54 = 6,575.09 : x
  2. Step 2: Convert to fraction form
    8,689.59/13,010.54 = 6,575.09/x
  3. Step 3: Cross multiply
    8,689.59x = 13,010.54 × 6,575.09
  4. Step 4: Simplify right side
    8,689.59x = 85,545,373.52
  5. Step 5: Solve for x
    x = 85,545,373.52/8,689.59
  6. Step 6: Final answer
    x = 9,844.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.