Home / 10,194.28-15,273.71-5,517.51

Finding the Fourth Proportional to 10,194.28, 15,273.71 and 5,517.51

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Solution

The fourth proportional to 10,194.28, 15,273.71 and 5,517.51 is: 8,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.28 : 15,273.71 = 5,517.51 : x
  2. Step 2: Convert to fraction form
    10,194.28/15,273.71 = 5,517.51/x
  3. Step 3: Cross multiply
    10,194.28x = 15,273.71 × 5,517.51
  4. Step 4: Simplify right side
    10,194.28x = 84,272,847.66
  5. Step 5: Solve for x
    x = 84,272,847.66/10,194.28
  6. Step 6: Final answer
    x = 8,266.68

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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.