Home / 8,147.11-12,223.40-2,601.24

Finding the Fourth Proportional to 8,147.11, 12,223.40 and 2,601.24

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Solution

The fourth proportional to 8,147.11, 12,223.40 and 2,601.24 is: 3,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.11 : 12,223.40 = 2,601.24 : x
  2. Step 2: Convert to fraction form
    8,147.11/12,223.40 = 2,601.24/x
  3. Step 3: Cross multiply
    8,147.11x = 12,223.40 × 2,601.24
  4. Step 4: Simplify right side
    8,147.11x = 31,795,984.01
  5. Step 5: Solve for x
    x = 31,795,984.01/8,147.11
  6. Step 6: Final answer
    x = 3,902.73

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1.5x scale

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.