Home / 7,431.62-10,247.92-6,372.95

Finding the Fourth Proportional to 7,431.62, 10,247.92 and 6,372.95

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Solution

The fourth proportional to 7,431.62, 10,247.92 and 6,372.95 is: 8,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.62 : 10,247.92 = 6,372.95 : x
  2. Step 2: Convert to fraction form
    7,431.62/10,247.92 = 6,372.95/x
  3. Step 3: Cross multiply
    7,431.62x = 10,247.92 × 6,372.95
  4. Step 4: Simplify right side
    7,431.62x = 65,309,414.59
  5. Step 5: Solve for x
    x = 65,309,414.59/7,431.62
  6. Step 6: Final answer
    x = 8,788.05

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1.5x scale

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.