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Finding the Fourth Proportional to 6,857.73, 9,463.31 and 3,832.31

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Solution

The fourth proportional to 6,857.73, 9,463.31 and 3,832.31 is: 5,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.73 : 9,463.31 = 3,832.31 : x
  2. Step 2: Convert to fraction form
    6,857.73/9,463.31 = 3,832.31/x
  3. Step 3: Cross multiply
    6,857.73x = 9,463.31 × 3,832.31
  4. Step 4: Simplify right side
    6,857.73x = 36,266,337.55
  5. Step 5: Solve for x
    x = 36,266,337.55/6,857.73
  6. Step 6: Final answer
    x = 5,288.39

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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.