Home / 10,862.78-16,295.04-3,468.29

Finding the Fourth Proportional to 10,862.78, 16,295.04 and 3,468.29

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Solution

The fourth proportional to 10,862.78, 16,295.04 and 3,468.29 is: 5,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.78 : 16,295.04 = 3,468.29 : x
  2. Step 2: Convert to fraction form
    10,862.78/16,295.04 = 3,468.29/x
  3. Step 3: Cross multiply
    10,862.78x = 16,295.04 × 3,468.29
  4. Step 4: Simplify right side
    10,862.78x = 56,515,842.81
  5. Step 5: Solve for x
    x = 56,515,842.81/10,862.78
  6. Step 6: Final answer
    x = 5,202.71

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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.