Home / 8,217.92-12,328.98-2,374.58

Finding the Fourth Proportional to 8,217.92, 12,328.98 and 2,374.58

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Solution

The fourth proportional to 8,217.92, 12,328.98 and 2,374.58 is: 3,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.92 : 12,328.98 = 2,374.58 : x
  2. Step 2: Convert to fraction form
    8,217.92/12,328.98 = 2,374.58/x
  3. Step 3: Cross multiply
    8,217.92x = 12,328.98 × 2,374.58
  4. Step 4: Simplify right side
    8,217.92x = 29,276,149.33
  5. Step 5: Solve for x
    x = 29,276,149.33/8,217.92
  6. Step 6: Final answer
    x = 3,562.48

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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.