Home / 8,475.57-12,711.91-2,235.65

Finding the Fourth Proportional to 8,475.57, 12,711.91 and 2,235.65

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Solution

The fourth proportional to 8,475.57, 12,711.91 and 2,235.65 is: 3,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.57 : 12,711.91 = 2,235.65 : x
  2. Step 2: Convert to fraction form
    8,475.57/12,711.91 = 2,235.65/x
  3. Step 3: Cross multiply
    8,475.57x = 12,711.91 × 2,235.65
  4. Step 4: Simplify right side
    8,475.57x = 28,419,381.59
  5. Step 5: Solve for x
    x = 28,419,381.59/8,475.57
  6. Step 6: Final answer
    x = 3,353.09

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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.