Home / 8,475.22-12,711.74-2,235.70

Finding the Fourth Proportional to 8,475.22, 12,711.74 and 2,235.70

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Solution

The fourth proportional to 8,475.22, 12,711.74 and 2,235.70 is: 3,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.22 : 12,711.74 = 2,235.70 : x
  2. Step 2: Convert to fraction form
    8,475.22/12,711.74 = 2,235.70/x
  3. Step 3: Cross multiply
    8,475.22x = 12,711.74 × 2,235.70
  4. Step 4: Simplify right side
    8,475.22x = 28,419,610.93
  5. Step 5: Solve for x
    x = 28,419,610.93/8,475.22
  6. Step 6: Final answer
    x = 3,353.26

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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.