Home / 8,174.39-12,261.82-2,251.36

Finding the Fourth Proportional to 8,174.39, 12,261.82 and 2,251.36

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Solution

The fourth proportional to 8,174.39, 12,261.82 and 2,251.36 is: 3,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.39 : 12,261.82 = 2,251.36 : x
  2. Step 2: Convert to fraction form
    8,174.39/12,261.82 = 2,251.36/x
  3. Step 3: Cross multiply
    8,174.39x = 12,261.82 × 2,251.36
  4. Step 4: Simplify right side
    8,174.39x = 27,605,781.83
  5. Step 5: Solve for x
    x = 27,605,781.83/8,174.39
  6. Step 6: Final answer
    x = 3,377.10

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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.