Home / 12,397.38-18,596.06-3,163.38

Finding the Fourth Proportional to 12,397.38, 18,596.06 and 3,163.38

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Solution

The fourth proportional to 12,397.38, 18,596.06 and 3,163.38 is: 4,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.38 : 18,596.06 = 3,163.38 : x
  2. Step 2: Convert to fraction form
    12,397.38/18,596.06 = 3,163.38/x
  3. Step 3: Cross multiply
    12,397.38x = 18,596.06 × 3,163.38
  4. Step 4: Simplify right side
    12,397.38x = 58,826,404.28
  5. Step 5: Solve for x
    x = 58,826,404.28/12,397.38
  6. Step 6: Final answer
    x = 4,745.07

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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.