Home / 8,132.82-11,219.17-5,143.62

Finding the Fourth Proportional to 8,132.82, 11,219.17 and 5,143.62

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Solution

The fourth proportional to 8,132.82, 11,219.17 and 5,143.62 is: 7,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.82 : 11,219.17 = 5,143.62 : x
  2. Step 2: Convert to fraction form
    8,132.82/11,219.17 = 5,143.62/x
  3. Step 3: Cross multiply
    8,132.82x = 11,219.17 × 5,143.62
  4. Step 4: Simplify right side
    8,132.82x = 57,707,147.20
  5. Step 5: Solve for x
    x = 57,707,147.20/8,132.82
  6. Step 6: Final answer
    x = 7,095.59

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.