Home / 10,731.39-16,092.62-4,153.78

Finding the Fourth Proportional to 10,731.39, 16,092.62 and 4,153.78

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Solution

The fourth proportional to 10,731.39, 16,092.62 and 4,153.78 is: 6,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.39 : 16,092.62 = 4,153.78 : x
  2. Step 2: Convert to fraction form
    10,731.39/16,092.62 = 4,153.78/x
  3. Step 3: Cross multiply
    10,731.39x = 16,092.62 × 4,153.78
  4. Step 4: Simplify right side
    10,731.39x = 66,845,241.39
  5. Step 5: Solve for x
    x = 66,845,241.39/10,731.39
  6. Step 6: Final answer
    x = 6,228.95

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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.