Home / 11,217.30-16,836.38-5,674.56

Finding the Fourth Proportional to 11,217.30, 16,836.38 and 5,674.56

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Solution

The fourth proportional to 11,217.30, 16,836.38 and 5,674.56 is: 8,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.30 : 16,836.38 = 5,674.56 : x
  2. Step 2: Convert to fraction form
    11,217.30/16,836.38 = 5,674.56/x
  3. Step 3: Cross multiply
    11,217.30x = 16,836.38 × 5,674.56
  4. Step 4: Simplify right side
    11,217.30x = 95,539,048.49
  5. Step 5: Solve for x
    x = 95,539,048.49/11,217.30
  6. Step 6: Final answer
    x = 8,517.12

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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.