Home / 8,116.82-12,174.28-2,193.42

Finding the Fourth Proportional to 8,116.82, 12,174.28 and 2,193.42

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Solution

The fourth proportional to 8,116.82, 12,174.28 and 2,193.42 is: 3,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.82 : 12,174.28 = 2,193.42 : x
  2. Step 2: Convert to fraction form
    8,116.82/12,174.28 = 2,193.42/x
  3. Step 3: Cross multiply
    8,116.82x = 12,174.28 × 2,193.42
  4. Step 4: Simplify right side
    8,116.82x = 26,703,330.69
  5. Step 5: Solve for x
    x = 26,703,330.69/8,116.82
  6. Step 6: Final answer
    x = 3,289.88

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Double scale
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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.