Home / 6,123.86-8,451.11-3,471.18

Finding the Fourth Proportional to 6,123.86, 8,451.11 and 3,471.18

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Solution

The fourth proportional to 6,123.86, 8,451.11 and 3,471.18 is: 4,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.86 : 8,451.11 = 3,471.18 : x
  2. Step 2: Convert to fraction form
    6,123.86/8,451.11 = 3,471.18/x
  3. Step 3: Cross multiply
    6,123.86x = 8,451.11 × 3,471.18
  4. Step 4: Simplify right side
    6,123.86x = 29,335,306.65
  5. Step 5: Solve for x
    x = 29,335,306.65/6,123.86
  6. Step 6: Final answer
    x = 4,790.33

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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.