Home / 10,545.16-15,827.58-5,354.92

Finding the Fourth Proportional to 10,545.16, 15,827.58 and 5,354.92

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Solution

The fourth proportional to 10,545.16, 15,827.58 and 5,354.92 is: 8,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.16 : 15,827.58 = 5,354.92 : x
  2. Step 2: Convert to fraction form
    10,545.16/15,827.58 = 5,354.92/x
  3. Step 3: Cross multiply
    10,545.16x = 15,827.58 × 5,354.92
  4. Step 4: Simplify right side
    10,545.16x = 84,755,424.69
  5. Step 5: Solve for x
    x = 84,755,424.69/10,545.16
  6. Step 6: Final answer
    x = 8,037.38

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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.