Home / 10,761.44-16,142.28-3,365.60

Finding the Fourth Proportional to 10,761.44, 16,142.28 and 3,365.60

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Solution

The fourth proportional to 10,761.44, 16,142.28 and 3,365.60 is: 5,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.44 : 16,142.28 = 3,365.60 : x
  2. Step 2: Convert to fraction form
    10,761.44/16,142.28 = 3,365.60/x
  3. Step 3: Cross multiply
    10,761.44x = 16,142.28 × 3,365.60
  4. Step 4: Simplify right side
    10,761.44x = 54,328,457.57
  5. Step 5: Solve for x
    x = 54,328,457.57/10,761.44
  6. Step 6: Final answer
    x = 5,048.44

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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.