Home / 12,463.20-17,197.24-7,427.30

Finding the Fourth Proportional to 12,463.20, 17,197.24 and 7,427.30

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Solution

The fourth proportional to 12,463.20, 17,197.24 and 7,427.30 is: 10,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.20 : 17,197.24 = 7,427.30 : x
  2. Step 2: Convert to fraction form
    12,463.20/17,197.24 = 7,427.30/x
  3. Step 3: Cross multiply
    12,463.20x = 17,197.24 × 7,427.30
  4. Step 4: Simplify right side
    12,463.20x = 127,729,060.65
  5. Step 5: Solve for x
    x = 127,729,060.65/12,463.20
  6. Step 6: Final answer
    x = 10,248.50

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Double scale
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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.