Home / 8,315.73-12,469.44-2,767.13

Finding the Fourth Proportional to 8,315.73, 12,469.44 and 2,767.13

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Solution

The fourth proportional to 8,315.73, 12,469.44 and 2,767.13 is: 4,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.73 : 12,469.44 = 2,767.13 : x
  2. Step 2: Convert to fraction form
    8,315.73/12,469.44 = 2,767.13/x
  3. Step 3: Cross multiply
    8,315.73x = 12,469.44 × 2,767.13
  4. Step 4: Simplify right side
    8,315.73x = 34,504,556.30
  5. Step 5: Solve for x
    x = 34,504,556.30/8,315.73
  6. Step 6: Final answer
    x = 4,149.31

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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.