Home / 8,545.18-12,818.31-3,614.17

Finding the Fourth Proportional to 8,545.18, 12,818.31 and 3,614.17

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Solution

The fourth proportional to 8,545.18, 12,818.31 and 3,614.17 is: 5,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.18 : 12,818.31 = 3,614.17 : x
  2. Step 2: Convert to fraction form
    8,545.18/12,818.31 = 3,614.17/x
  3. Step 3: Cross multiply
    8,545.18x = 12,818.31 × 3,614.17
  4. Step 4: Simplify right side
    8,545.18x = 46,327,551.45
  5. Step 5: Solve for x
    x = 46,327,551.45/8,545.18
  6. Step 6: Final answer
    x = 5,421.48

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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.