Home / 8,581.17-12,866.61-4,136.09

Finding the Fourth Proportional to 8,581.17, 12,866.61 and 4,136.09

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Solution

The fourth proportional to 8,581.17, 12,866.61 and 4,136.09 is: 6,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.17 : 12,866.61 = 4,136.09 : x
  2. Step 2: Convert to fraction form
    8,581.17/12,866.61 = 4,136.09/x
  3. Step 3: Cross multiply
    8,581.17x = 12,866.61 × 4,136.09
  4. Step 4: Simplify right side
    8,581.17x = 53,217,456.95
  5. Step 5: Solve for x
    x = 53,217,456.95/8,581.17
  6. Step 6: Final answer
    x = 6,201.66

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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.