Home / 12,551.83-17,320.92-7,248.36

Finding the Fourth Proportional to 12,551.83, 17,320.92 and 7,248.36

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Solution

The fourth proportional to 12,551.83, 17,320.92 and 7,248.36 is: 10,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.83 : 17,320.92 = 7,248.36 : x
  2. Step 2: Convert to fraction form
    12,551.83/17,320.92 = 7,248.36/x
  3. Step 3: Cross multiply
    12,551.83x = 17,320.92 × 7,248.36
  4. Step 4: Simplify right side
    12,551.83x = 125,548,263.69
  5. Step 5: Solve for x
    x = 125,548,263.69/12,551.83
  6. Step 6: Final answer
    x = 10,002.39

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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.