Home / 11,154.14-16,731.55-2,834.16

Finding the Fourth Proportional to 11,154.14, 16,731.55 and 2,834.16

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Solution

The fourth proportional to 11,154.14, 16,731.55 and 2,834.16 is: 4,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.14 : 16,731.55 = 2,834.16 : x
  2. Step 2: Convert to fraction form
    11,154.14/16,731.55 = 2,834.16/x
  3. Step 3: Cross multiply
    11,154.14x = 16,731.55 × 2,834.16
  4. Step 4: Simplify right side
    11,154.14x = 47,419,814.61
  5. Step 5: Solve for x
    x = 47,419,814.61/11,154.14
  6. Step 6: Final answer
    x = 4,251.32

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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.