Home / 12,550.11-17,311.59-8,301.24

Finding the Fourth Proportional to 12,550.11, 17,311.59 and 8,301.24

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Solution

The fourth proportional to 12,550.11, 17,311.59 and 8,301.24 is: 11,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.11 : 17,311.59 = 8,301.24 : x
  2. Step 2: Convert to fraction form
    12,550.11/17,311.59 = 8,301.24/x
  3. Step 3: Cross multiply
    12,550.11x = 17,311.59 × 8,301.24
  4. Step 4: Simplify right side
    12,550.11x = 143,707,663.37
  5. Step 5: Solve for x
    x = 143,707,663.37/12,550.11
  6. Step 6: Final answer
    x = 11,450.71

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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.