Home / 11,542.70-15,995.85-11,321.24

Finding the Fourth Proportional to 11,542.70, 15,995.85 and 11,321.24

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Solution

The fourth proportional to 11,542.70, 15,995.85 and 11,321.24 is: 15,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.70 : 15,995.85 = 11,321.24 : x
  2. Step 2: Convert to fraction form
    11,542.70/15,995.85 = 11,321.24/x
  3. Step 3: Cross multiply
    11,542.70x = 15,995.85 × 11,321.24
  4. Step 4: Simplify right side
    11,542.70x = 181,092,734.42
  5. Step 5: Solve for x
    x = 181,092,734.42/11,542.70
  6. Step 6: Final answer
    x = 15,688.94

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.