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Finding the Fourth Proportional to 12,499.97, 17,250.49 and 6,834.37

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Solution

The fourth proportional to 12,499.97, 17,250.49 and 6,834.37 is: 9,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.97 : 17,250.49 = 6,834.37 : x
  2. Step 2: Convert to fraction form
    12,499.97/17,250.49 = 6,834.37/x
  3. Step 3: Cross multiply
    12,499.97x = 17,250.49 × 6,834.37
  4. Step 4: Simplify right side
    12,499.97x = 117,896,296.04
  5. Step 5: Solve for x
    x = 117,896,296.04/12,499.97
  6. Step 6: Final answer
    x = 9,431.73

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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.