Home / 8,040.91-12,061.35-2,198.38

Finding the Fourth Proportional to 8,040.91, 12,061.35 and 2,198.38

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Solution

The fourth proportional to 8,040.91, 12,061.35 and 2,198.38 is: 3,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.91 : 12,061.35 = 2,198.38 : x
  2. Step 2: Convert to fraction form
    8,040.91/12,061.35 = 2,198.38/x
  3. Step 3: Cross multiply
    8,040.91x = 12,061.35 × 2,198.38
  4. Step 4: Simplify right side
    8,040.91x = 26,515,430.61
  5. Step 5: Solve for x
    x = 26,515,430.61/8,040.91
  6. Step 6: Final answer
    x = 3,297.57

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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.