Home / 11,024.40-16,500.15-8,545.80

Finding the Fourth Proportional to 11,024.40, 16,500.15 and 8,545.80

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Solution

The fourth proportional to 11,024.40, 16,500.15 and 8,545.80 is: 12,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,024.40 : 16,500.15 = 8,545.80 : x
  2. Step 2: Convert to fraction form
    11,024.40/16,500.15 = 8,545.80/x
  3. Step 3: Cross multiply
    11,024.40x = 16,500.15 × 8,545.80
  4. Step 4: Simplify right side
    11,024.40x = 141,006,981.87
  5. Step 5: Solve for x
    x = 141,006,981.87/11,024.40
  6. Step 6: Final answer
    x = 12,790.45

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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.