Home / 8,061.12-12,091.26-2,217.72

Finding the Fourth Proportional to 8,061.12, 12,091.26 and 2,217.72

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Solution

The fourth proportional to 8,061.12, 12,091.26 and 2,217.72 is: 3,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.12 : 12,091.26 = 2,217.72 : x
  2. Step 2: Convert to fraction form
    8,061.12/12,091.26 = 2,217.72/x
  3. Step 3: Cross multiply
    8,061.12x = 12,091.26 × 2,217.72
  4. Step 4: Simplify right side
    8,061.12x = 26,815,029.13
  5. Step 5: Solve for x
    x = 26,815,029.13/8,061.12
  6. Step 6: Final answer
    x = 3,326.46

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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.