Home / 12,072.29-18,107.45-4,067.11

Finding the Fourth Proportional to 12,072.29, 18,107.45 and 4,067.11

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Solution

The fourth proportional to 12,072.29, 18,107.45 and 4,067.11 is: 6,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.29 : 18,107.45 = 4,067.11 : x
  2. Step 2: Convert to fraction form
    12,072.29/18,107.45 = 4,067.11/x
  3. Step 3: Cross multiply
    12,072.29x = 18,107.45 × 4,067.11
  4. Step 4: Simplify right side
    12,072.29x = 73,645,008.52
  5. Step 5: Solve for x
    x = 73,645,008.52/12,072.29
  6. Step 6: Final answer
    x = 6,100.33

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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.