Home / 8,753.41-13,128.12-2,513.38

Finding the Fourth Proportional to 8,753.41, 13,128.12 and 2,513.38

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Solution

The fourth proportional to 8,753.41, 13,128.12 and 2,513.38 is: 3,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.41 : 13,128.12 = 2,513.38 : x
  2. Step 2: Convert to fraction form
    8,753.41/13,128.12 = 2,513.38/x
  3. Step 3: Cross multiply
    8,753.41x = 13,128.12 × 2,513.38
  4. Step 4: Simplify right side
    8,753.41x = 32,995,876.04
  5. Step 5: Solve for x
    x = 32,995,876.04/8,753.41
  6. Step 6: Final answer
    x = 3,769.49

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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.