Home / 12,452.06-17,183.22-6,786.78

Finding the Fourth Proportional to 12,452.06, 17,183.22 and 6,786.78

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Solution

The fourth proportional to 12,452.06, 17,183.22 and 6,786.78 is: 9,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.06 : 17,183.22 = 6,786.78 : x
  2. Step 2: Convert to fraction form
    12,452.06/17,183.22 = 6,786.78/x
  3. Step 3: Cross multiply
    12,452.06x = 17,183.22 × 6,786.78
  4. Step 4: Simplify right side
    12,452.06x = 116,618,733.83
  5. Step 5: Solve for x
    x = 116,618,733.83/12,452.06
  6. Step 6: Final answer
    x = 9,365.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.