Home / 8,309.08-12,463.46-2,152.92

Finding the Fourth Proportional to 8,309.08, 12,463.46 and 2,152.92

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Solution

The fourth proportional to 8,309.08, 12,463.46 and 2,152.92 is: 3,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.08 : 12,463.46 = 2,152.92 : x
  2. Step 2: Convert to fraction form
    8,309.08/12,463.46 = 2,152.92/x
  3. Step 3: Cross multiply
    8,309.08x = 12,463.46 × 2,152.92
  4. Step 4: Simplify right side
    8,309.08x = 26,832,832.30
  5. Step 5: Solve for x
    x = 26,832,832.30/8,309.08
  6. Step 6: Final answer
    x = 3,229.34

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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.