Home / 8,511.76-12,767.73-2,589.61

Finding the Fourth Proportional to 8,511.76, 12,767.73 and 2,589.61

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Solution

The fourth proportional to 8,511.76, 12,767.73 and 2,589.61 is: 3,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.76 : 12,767.73 = 2,589.61 : x
  2. Step 2: Convert to fraction form
    8,511.76/12,767.73 = 2,589.61/x
  3. Step 3: Cross multiply
    8,511.76x = 12,767.73 × 2,589.61
  4. Step 4: Simplify right side
    8,511.76x = 33,063,419.08
  5. Step 5: Solve for x
    x = 33,063,419.08/8,511.76
  6. Step 6: Final answer
    x = 3,884.44

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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.