Home / 9,553.54-13,179.09-7,198.90

Finding the Fourth Proportional to 9,553.54, 13,179.09 and 7,198.90

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Solution

The fourth proportional to 9,553.54, 13,179.09 and 7,198.90 is: 9,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.54 : 13,179.09 = 7,198.90 : x
  2. Step 2: Convert to fraction form
    9,553.54/13,179.09 = 7,198.90/x
  3. Step 3: Cross multiply
    9,553.54x = 13,179.09 × 7,198.90
  4. Step 4: Simplify right side
    9,553.54x = 94,874,951.00
  5. Step 5: Solve for x
    x = 94,874,951.00/9,553.54
  6. Step 6: Final answer
    x = 9,930.87

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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.