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Finding the Fourth Proportional to 6,857.82, 10,289.97 and 6,747.27

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Solution

The fourth proportional to 6,857.82, 10,289.97 and 6,747.27 is: 10,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.82 : 10,289.97 = 6,747.27 : x
  2. Step 2: Convert to fraction form
    6,857.82/10,289.97 = 6,747.27/x
  3. Step 3: Cross multiply
    6,857.82x = 10,289.97 × 6,747.27
  4. Step 4: Simplify right side
    6,857.82x = 69,429,205.88
  5. Step 5: Solve for x
    x = 69,429,205.88/6,857.82
  6. Step 6: Final answer
    x = 10,124.09

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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.