Home / 8,372.71-12,558.66-3,691.46

Finding the Fourth Proportional to 8,372.71, 12,558.66 and 3,691.46

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Solution

The fourth proportional to 8,372.71, 12,558.66 and 3,691.46 is: 5,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.71 : 12,558.66 = 3,691.46 : x
  2. Step 2: Convert to fraction form
    8,372.71/12,558.66 = 3,691.46/x
  3. Step 3: Cross multiply
    8,372.71x = 12,558.66 × 3,691.46
  4. Step 4: Simplify right side
    8,372.71x = 46,359,728.25
  5. Step 5: Solve for x
    x = 46,359,728.25/8,372.71
  6. Step 6: Final answer
    x = 5,537.01

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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.