Home / 6,331.20-8,724.96-5,501.76

Finding the Fourth Proportional to 6,331.20, 8,724.96 and 5,501.76

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Solution

The fourth proportional to 6,331.20, 8,724.96 and 5,501.76 is: 7,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.20 : 8,724.96 = 5,501.76 : x
  2. Step 2: Convert to fraction form
    6,331.20/8,724.96 = 5,501.76/x
  3. Step 3: Cross multiply
    6,331.20x = 8,724.96 × 5,501.76
  4. Step 4: Simplify right side
    6,331.20x = 48,002,635.93
  5. Step 5: Solve for x
    x = 48,002,635.93/6,331.20
  6. Step 6: Final answer
    x = 7,581.92

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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.