Home / 10,067.97-15,102.75-4,221.39

Finding the Fourth Proportional to 10,067.97, 15,102.75 and 4,221.39

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Solution

The fourth proportional to 10,067.97, 15,102.75 and 4,221.39 is: 6,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.97 : 15,102.75 = 4,221.39 : x
  2. Step 2: Convert to fraction form
    10,067.97/15,102.75 = 4,221.39/x
  3. Step 3: Cross multiply
    10,067.97x = 15,102.75 × 4,221.39
  4. Step 4: Simplify right side
    10,067.97x = 63,754,597.82
  5. Step 5: Solve for x
    x = 63,754,597.82/10,067.97
  6. Step 6: Final answer
    x = 6,332.42

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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.