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Finding the Fourth Proportional to 12,283.31, 16,950.97 and 6,694.31

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Solution

The fourth proportional to 12,283.31, 16,950.97 and 6,694.31 is: 9,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.31 : 16,950.97 = 6,694.31 : x
  2. Step 2: Convert to fraction form
    12,283.31/16,950.97 = 6,694.31/x
  3. Step 3: Cross multiply
    12,283.31x = 16,950.97 × 6,694.31
  4. Step 4: Simplify right side
    12,283.31x = 113,475,098.73
  5. Step 5: Solve for x
    x = 113,475,098.73/12,283.31
  6. Step 6: Final answer
    x = 9,238.15

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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.