Home / 8,355.83-12,534.57-2,432.76

Finding the Fourth Proportional to 8,355.83, 12,534.57 and 2,432.76

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Solution

The fourth proportional to 8,355.83, 12,534.57 and 2,432.76 is: 3,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.83 : 12,534.57 = 2,432.76 : x
  2. Step 2: Convert to fraction form
    8,355.83/12,534.57 = 2,432.76/x
  3. Step 3: Cross multiply
    8,355.83x = 12,534.57 × 2,432.76
  4. Step 4: Simplify right side
    8,355.83x = 30,493,595.60
  5. Step 5: Solve for x
    x = 30,493,595.60/8,355.83
  6. Step 6: Final answer
    x = 3,649.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.