Home / 8,067.21-12,101.56-3,137.22

Finding the Fourth Proportional to 8,067.21, 12,101.56 and 3,137.22

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Solution

The fourth proportional to 8,067.21, 12,101.56 and 3,137.22 is: 4,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.21 : 12,101.56 = 3,137.22 : x
  2. Step 2: Convert to fraction form
    8,067.21/12,101.56 = 3,137.22/x
  3. Step 3: Cross multiply
    8,067.21x = 12,101.56 × 3,137.22
  4. Step 4: Simplify right side
    8,067.21x = 37,965,179.87
  5. Step 5: Solve for x
    x = 37,965,179.87/8,067.21
  6. Step 6: Final answer
    x = 4,706.11

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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.