Home / 11,398.14-17,098.86-5,550.78

Finding the Fourth Proportional to 11,398.14, 17,098.86 and 5,550.78

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Solution

The fourth proportional to 11,398.14, 17,098.86 and 5,550.78 is: 8,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.14 : 17,098.86 = 5,550.78 : x
  2. Step 2: Convert to fraction form
    11,398.14/17,098.86 = 5,550.78/x
  3. Step 3: Cross multiply
    11,398.14x = 17,098.86 × 5,550.78
  4. Step 4: Simplify right side
    11,398.14x = 94,912,010.11
  5. Step 5: Solve for x
    x = 94,912,010.11/11,398.14
  6. Step 6: Final answer
    x = 8,326.97

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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.