Home / 8,247.13-12,367.92-2,699.17

Finding the Fourth Proportional to 8,247.13, 12,367.92 and 2,699.17

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Solution

The fourth proportional to 8,247.13, 12,367.92 and 2,699.17 is: 4,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.13 : 12,367.92 = 2,699.17 : x
  2. Step 2: Convert to fraction form
    8,247.13/12,367.92 = 2,699.17/x
  3. Step 3: Cross multiply
    8,247.13x = 12,367.92 × 2,699.17
  4. Step 4: Simplify right side
    8,247.13x = 33,383,118.63
  5. Step 5: Solve for x
    x = 33,383,118.63/8,247.13
  6. Step 6: Final answer
    x = 4,047.85

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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.