Home / 12,444.11-17,171.62-7,663.29

Finding the Fourth Proportional to 12,444.11, 17,171.62 and 7,663.29

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Solution

The fourth proportional to 12,444.11, 17,171.62 and 7,663.29 is: 10,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.11 : 17,171.62 = 7,663.29 : x
  2. Step 2: Convert to fraction form
    12,444.11/17,171.62 = 7,663.29/x
  3. Step 3: Cross multiply
    12,444.11x = 17,171.62 × 7,663.29
  4. Step 4: Simplify right side
    12,444.11x = 131,591,017.97
  5. Step 5: Solve for x
    x = 131,591,017.97/12,444.11
  6. Step 6: Final answer
    x = 10,574.56

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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.