Home / 9,198.75-12,694.28-5,007.03

Finding the Fourth Proportional to 9,198.75, 12,694.28 and 5,007.03

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Solution

The fourth proportional to 9,198.75, 12,694.28 and 5,007.03 is: 6,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.75 : 12,694.28 = 5,007.03 : x
  2. Step 2: Convert to fraction form
    9,198.75/12,694.28 = 5,007.03/x
  3. Step 3: Cross multiply
    9,198.75x = 12,694.28 × 5,007.03
  4. Step 4: Simplify right side
    9,198.75x = 63,560,640.79
  5. Step 5: Solve for x
    x = 63,560,640.79/9,198.75
  6. Step 6: Final answer
    x = 6,909.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.