Home / 11,124.87-16,689.12-4,549.29

Finding the Fourth Proportional to 11,124.87, 16,689.12 and 4,549.29

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Solution

The fourth proportional to 11,124.87, 16,689.12 and 4,549.29 is: 6,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.87 : 16,689.12 = 4,549.29 : x
  2. Step 2: Convert to fraction form
    11,124.87/16,689.12 = 4,549.29/x
  3. Step 3: Cross multiply
    11,124.87x = 16,689.12 × 4,549.29
  4. Step 4: Simplify right side
    11,124.87x = 75,923,646.72
  5. Step 5: Solve for x
    x = 75,923,646.72/11,124.87
  6. Step 6: Final answer
    x = 6,824.68

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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.