Home / 8,237.33-12,355.99-3,859.68

Finding the Fourth Proportional to 8,237.33, 12,355.99 and 3,859.68

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Solution

The fourth proportional to 8,237.33, 12,355.99 and 3,859.68 is: 5,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.33 : 12,355.99 = 3,859.68 : x
  2. Step 2: Convert to fraction form
    8,237.33/12,355.99 = 3,859.68/x
  3. Step 3: Cross multiply
    8,237.33x = 12,355.99 × 3,859.68
  4. Step 4: Simplify right side
    8,237.33x = 47,690,167.48
  5. Step 5: Solve for x
    x = 47,690,167.48/8,237.33
  6. Step 6: Final answer
    x = 5,789.52

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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.