Home / 7,209.38-9,951.17-4,226.19

Finding the Fourth Proportional to 7,209.38, 9,951.17 and 4,226.19

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Solution

The fourth proportional to 7,209.38, 9,951.17 and 4,226.19 is: 5,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.38 : 9,951.17 = 4,226.19 : x
  2. Step 2: Convert to fraction form
    7,209.38/9,951.17 = 4,226.19/x
  3. Step 3: Cross multiply
    7,209.38x = 9,951.17 × 4,226.19
  4. Step 4: Simplify right side
    7,209.38x = 42,055,514.01
  5. Step 5: Solve for x
    x = 42,055,514.01/7,209.38
  6. Step 6: Final answer
    x = 5,833.45

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Half scale
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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.