Home / 10,963.11-16,442.24-4,387.53

Finding the Fourth Proportional to 10,963.11, 16,442.24 and 4,387.53

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Solution

The fourth proportional to 10,963.11, 16,442.24 and 4,387.53 is: 6,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.11 : 16,442.24 = 4,387.53 : x
  2. Step 2: Convert to fraction form
    10,963.11/16,442.24 = 4,387.53/x
  3. Step 3: Cross multiply
    10,963.11x = 16,442.24 × 4,387.53
  4. Step 4: Simplify right side
    10,963.11x = 72,140,799.33
  5. Step 5: Solve for x
    x = 72,140,799.33/10,963.11
  6. Step 6: Final answer
    x = 6,580.32

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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.