Home / 12,067.20-18,103.83-4,669.65

Finding the Fourth Proportional to 12,067.20, 18,103.83 and 4,669.65

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Solution

The fourth proportional to 12,067.20, 18,103.83 and 4,669.65 is: 7,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.20 : 18,103.83 = 4,669.65 : x
  2. Step 2: Convert to fraction form
    12,067.20/18,103.83 = 4,669.65/x
  3. Step 3: Cross multiply
    12,067.20x = 18,103.83 × 4,669.65
  4. Step 4: Simplify right side
    12,067.20x = 84,538,549.76
  5. Step 5: Solve for x
    x = 84,538,549.76/12,067.20
  6. Step 6: Final answer
    x = 7,005.65

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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.