Home / 8,432.12-11,635.84-4,655.19

Finding the Fourth Proportional to 8,432.12, 11,635.84 and 4,655.19

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Solution

The fourth proportional to 8,432.12, 11,635.84 and 4,655.19 is: 6,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.12 : 11,635.84 = 4,655.19 : x
  2. Step 2: Convert to fraction form
    8,432.12/11,635.84 = 4,655.19/x
  3. Step 3: Cross multiply
    8,432.12x = 11,635.84 × 4,655.19
  4. Step 4: Simplify right side
    8,432.12x = 54,167,022.73
  5. Step 5: Solve for x
    x = 54,167,022.73/8,432.12
  6. Step 6: Final answer
    x = 6,423.90

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Half scale
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Double scale
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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.