Home / 12,067.11-16,651.49-6,760.80

Finding the Fourth Proportional to 12,067.11, 16,651.49 and 6,760.80

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Solution

The fourth proportional to 12,067.11, 16,651.49 and 6,760.80 is: 9,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.11 : 16,651.49 = 6,760.80 : x
  2. Step 2: Convert to fraction form
    12,067.11/16,651.49 = 6,760.80/x
  3. Step 3: Cross multiply
    12,067.11x = 16,651.49 × 6,760.80
  4. Step 4: Simplify right side
    12,067.11x = 112,577,359.79
  5. Step 5: Solve for x
    x = 112,577,359.79/12,067.11
  6. Step 6: Final answer
    x = 9,329.27

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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.