Home / 10,331.82-15,497.87-2,540.63

Finding the Fourth Proportional to 10,331.82, 15,497.87 and 2,540.63

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Solution

The fourth proportional to 10,331.82, 15,497.87 and 2,540.63 is: 3,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.82 : 15,497.87 = 2,540.63 : x
  2. Step 2: Convert to fraction form
    10,331.82/15,497.87 = 2,540.63/x
  3. Step 3: Cross multiply
    10,331.82x = 15,497.87 × 2,540.63
  4. Step 4: Simplify right side
    10,331.82x = 39,374,263.27
  5. Step 5: Solve for x
    x = 39,374,263.27/10,331.82
  6. Step 6: Final answer
    x = 3,810.97

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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.