Home / 12,559.18-17,325.13-7,451.73

Finding the Fourth Proportional to 12,559.18, 17,325.13 and 7,451.73

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Solution

The fourth proportional to 12,559.18, 17,325.13 and 7,451.73 is: 10,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.18 : 17,325.13 = 7,451.73 : x
  2. Step 2: Convert to fraction form
    12,559.18/17,325.13 = 7,451.73/x
  3. Step 3: Cross multiply
    12,559.18x = 17,325.13 × 7,451.73
  4. Step 4: Simplify right side
    12,559.18x = 129,102,190.97
  5. Step 5: Solve for x
    x = 129,102,190.97/12,559.18
  6. Step 6: Final answer
    x = 10,279.51

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Half scale
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Double scale
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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.