Home / 9,220.14-12,726.51-7,974.58

Finding the Fourth Proportional to 9,220.14, 12,726.51 and 7,974.58

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Solution

The fourth proportional to 9,220.14, 12,726.51 and 7,974.58 is: 11,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.14 : 12,726.51 = 7,974.58 : x
  2. Step 2: Convert to fraction form
    9,220.14/12,726.51 = 7,974.58/x
  3. Step 3: Cross multiply
    9,220.14x = 12,726.51 × 7,974.58
  4. Step 4: Simplify right side
    9,220.14x = 101,488,572.12
  5. Step 5: Solve for x
    x = 101,488,572.12/9,220.14
  6. Step 6: Final answer
    x = 11,007.27

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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.