Home / 10,067.43-15,033.30-8,222.13

Finding the Fourth Proportional to 10,067.43, 15,033.30 and 8,222.13

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Solution

The fourth proportional to 10,067.43, 15,033.30 and 8,222.13 is: 12,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.43 : 15,033.30 = 8,222.13 : x
  2. Step 2: Convert to fraction form
    10,067.43/15,033.30 = 8,222.13/x
  3. Step 3: Cross multiply
    10,067.43x = 15,033.30 × 8,222.13
  4. Step 4: Simplify right side
    10,067.43x = 123,605,746.93
  5. Step 5: Solve for x
    x = 123,605,746.93/10,067.43
  6. Step 6: Final answer
    x = 12,277.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.