Home / 10,331.56-15,497.22-2,540.44

Finding the Fourth Proportional to 10,331.56, 15,497.22 and 2,540.44

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Solution

The fourth proportional to 10,331.56, 15,497.22 and 2,540.44 is: 3,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.56 : 15,497.22 = 2,540.44 : x
  2. Step 2: Convert to fraction form
    10,331.56/15,497.22 = 2,540.44/x
  3. Step 3: Cross multiply
    10,331.56x = 15,497.22 × 2,540.44
  4. Step 4: Simplify right side
    10,331.56x = 39,369,757.58
  5. Step 5: Solve for x
    x = 39,369,757.58/10,331.56
  6. Step 6: Final answer
    x = 3,810.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.