Home / 10,067.63-15,103.94-3,142.13

Finding the Fourth Proportional to 10,067.63, 15,103.94 and 3,142.13

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Solution

The fourth proportional to 10,067.63, 15,103.94 and 3,142.13 is: 4,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.63 : 15,103.94 = 3,142.13 : x
  2. Step 2: Convert to fraction form
    10,067.63/15,103.94 = 3,142.13/x
  3. Step 3: Cross multiply
    10,067.63x = 15,103.94 × 3,142.13
  4. Step 4: Simplify right side
    10,067.63x = 47,458,451.76
  5. Step 5: Solve for x
    x = 47,458,451.76/10,067.63
  6. Step 6: Final answer
    x = 4,713.97

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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.