Home / 12,650.11-17,462.78-8,176.03

Finding the Fourth Proportional to 12,650.11, 17,462.78 and 8,176.03

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Solution

The fourth proportional to 12,650.11, 17,462.78 and 8,176.03 is: 11,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.11 : 17,462.78 = 8,176.03 : x
  2. Step 2: Convert to fraction form
    12,650.11/17,462.78 = 8,176.03/x
  3. Step 3: Cross multiply
    12,650.11x = 17,462.78 × 8,176.03
  4. Step 4: Simplify right side
    12,650.11x = 142,776,213.16
  5. Step 5: Solve for x
    x = 142,776,213.16/12,650.11
  6. Step 6: Final answer
    x = 11,286.56

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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.