Home / 8,081.24-12,121.07-2,534.64

Finding the Fourth Proportional to 8,081.24, 12,121.07 and 2,534.64

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Solution

The fourth proportional to 8,081.24, 12,121.07 and 2,534.64 is: 3,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.24 : 12,121.07 = 2,534.64 : x
  2. Step 2: Convert to fraction form
    8,081.24/12,121.07 = 2,534.64/x
  3. Step 3: Cross multiply
    8,081.24x = 12,121.07 × 2,534.64
  4. Step 4: Simplify right side
    8,081.24x = 30,722,566.05
  5. Step 5: Solve for x
    x = 30,722,566.05/8,081.24
  6. Step 6: Final answer
    x = 3,801.71

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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.