Home / 11,154.22-16,731.89-2,834.31

Finding the Fourth Proportional to 11,154.22, 16,731.89 and 2,834.31

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Solution

The fourth proportional to 11,154.22, 16,731.89 and 2,834.31 is: 4,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.22 : 16,731.89 = 2,834.31 : x
  2. Step 2: Convert to fraction form
    11,154.22/16,731.89 = 2,834.31/x
  3. Step 3: Cross multiply
    11,154.22x = 16,731.89 × 2,834.31
  4. Step 4: Simplify right side
    11,154.22x = 47,423,422.35
  5. Step 5: Solve for x
    x = 47,423,422.35/11,154.22
  6. Step 6: Final answer
    x = 4,251.61

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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.