Home / 10,991.27-16,486.92-2,671.29

Finding the Fourth Proportional to 10,991.27, 16,486.92 and 2,671.29

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Solution

The fourth proportional to 10,991.27, 16,486.92 and 2,671.29 is: 4,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.27 : 16,486.92 = 2,671.29 : x
  2. Step 2: Convert to fraction form
    10,991.27/16,486.92 = 2,671.29/x
  3. Step 3: Cross multiply
    10,991.27x = 16,486.92 × 2,671.29
  4. Step 4: Simplify right side
    10,991.27x = 44,041,344.53
  5. Step 5: Solve for x
    x = 44,041,344.53/10,991.27
  6. Step 6: Final answer
    x = 4,006.94

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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.