Home / 10,107.18-15,151.53-8,557.17

Finding the Fourth Proportional to 10,107.18, 15,151.53 and 8,557.17

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Solution

The fourth proportional to 10,107.18, 15,151.53 and 8,557.17 is: 12,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.18 : 15,151.53 = 8,557.17 : x
  2. Step 2: Convert to fraction form
    10,107.18/15,151.53 = 8,557.17/x
  3. Step 3: Cross multiply
    10,107.18x = 15,151.53 × 8,557.17
  4. Step 4: Simplify right side
    10,107.18x = 129,654,217.97
  5. Step 5: Solve for x
    x = 129,654,217.97/10,107.18
  6. Step 6: Final answer
    x = 12,827.93

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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.