Home / 8,587.92-11,849.28-5,230.68

Finding the Fourth Proportional to 8,587.92, 11,849.28 and 5,230.68

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Solution

The fourth proportional to 8,587.92, 11,849.28 and 5,230.68 is: 7,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.92 : 11,849.28 = 5,230.68 : x
  2. Step 2: Convert to fraction form
    8,587.92/11,849.28 = 5,230.68/x
  3. Step 3: Cross multiply
    8,587.92x = 11,849.28 × 5,230.68
  4. Step 4: Simplify right side
    8,587.92x = 61,979,791.91
  5. Step 5: Solve for x
    x = 61,979,791.91/8,587.92
  6. Step 6: Final answer
    x = 7,217.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.