Home / 12,252.75-18,379.13-5,327.25

Finding the Fourth Proportional to 12,252.75, 18,379.13 and 5,327.25

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Solution

The fourth proportional to 12,252.75, 18,379.13 and 5,327.25 is: 7,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.75 : 18,379.13 = 5,327.25 : x
  2. Step 2: Convert to fraction form
    12,252.75/18,379.13 = 5,327.25/x
  3. Step 3: Cross multiply
    12,252.75x = 18,379.13 × 5,327.25
  4. Step 4: Simplify right side
    12,252.75x = 97,910,193.66
  5. Step 5: Solve for x
    x = 97,910,193.66/12,252.75
  6. Step 6: Final answer
    x = 7,990.88

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Similar ratio
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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.