Home / 10,580.08-15,871.17-3,918.36

Finding the Fourth Proportional to 10,580.08, 15,871.17 and 3,918.36

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Solution

The fourth proportional to 10,580.08, 15,871.17 and 3,918.36 is: 5,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.08 : 15,871.17 = 3,918.36 : x
  2. Step 2: Convert to fraction form
    10,580.08/15,871.17 = 3,918.36/x
  3. Step 3: Cross multiply
    10,580.08x = 15,871.17 × 3,918.36
  4. Step 4: Simplify right side
    10,580.08x = 62,188,858.73
  5. Step 5: Solve for x
    x = 62,188,858.73/10,580.08
  6. Step 6: Final answer
    x = 5,877.92

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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.