Home / 8,209.13-11,324.52-5,182.92

Finding the Fourth Proportional to 8,209.13, 11,324.52 and 5,182.92

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Solution

The fourth proportional to 8,209.13, 11,324.52 and 5,182.92 is: 7,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.13 : 11,324.52 = 5,182.92 : x
  2. Step 2: Convert to fraction form
    8,209.13/11,324.52 = 5,182.92/x
  3. Step 3: Cross multiply
    8,209.13x = 11,324.52 × 5,182.92
  4. Step 4: Simplify right side
    8,209.13x = 58,694,081.20
  5. Step 5: Solve for x
    x = 58,694,081.20/8,209.13
  6. Step 6: Final answer
    x = 7,149.86

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Half scale
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Double scale
Find fourth proportional to 8,210.13, 11,325.90 and 5,183.92
Similar ratio
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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.