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Finding the Fourth Proportional to 11,794.70, 17,694.21 and 3,897.60

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Solution

The fourth proportional to 11,794.70, 17,694.21 and 3,897.60 is: 5,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.70 : 17,694.21 = 3,897.60 : x
  2. Step 2: Convert to fraction form
    11,794.70/17,694.21 = 3,897.60/x
  3. Step 3: Cross multiply
    11,794.70x = 17,694.21 × 3,897.60
  4. Step 4: Simplify right side
    11,794.70x = 68,964,952.90
  5. Step 5: Solve for x
    x = 68,964,952.90/11,794.70
  6. Step 6: Final answer
    x = 5,847.12

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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.