Home / 10,891.44-16,324.32-5,265.60

Finding the Fourth Proportional to 10,891.44, 16,324.32 and 5,265.60

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Solution

The fourth proportional to 10,891.44, 16,324.32 and 5,265.60 is: 7,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.44 : 16,324.32 = 5,265.60 : x
  2. Step 2: Convert to fraction form
    10,891.44/16,324.32 = 5,265.60/x
  3. Step 3: Cross multiply
    10,891.44x = 16,324.32 × 5,265.60
  4. Step 4: Simplify right side
    10,891.44x = 85,957,339.39
  5. Step 5: Solve for x
    x = 85,957,339.39/10,891.44
  6. Step 6: Final answer
    x = 7,892.19

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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.