Home / 12,560.01-17,331.30-7,454.70

Finding the Fourth Proportional to 12,560.01, 17,331.30 and 7,454.70

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Solution

The fourth proportional to 12,560.01, 17,331.30 and 7,454.70 is: 10,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.01 : 17,331.30 = 7,454.70 : x
  2. Step 2: Convert to fraction form
    12,560.01/17,331.30 = 7,454.70/x
  3. Step 3: Cross multiply
    12,560.01x = 17,331.30 × 7,454.70
  4. Step 4: Simplify right side
    12,560.01x = 129,199,642.11
  5. Step 5: Solve for x
    x = 129,199,642.11/12,560.01
  6. Step 6: Final answer
    x = 10,286.59

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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.