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Finding the Fourth Proportional to 12,425.13, 17,146.67 and 6,836.13

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Solution

The fourth proportional to 12,425.13, 17,146.67 and 6,836.13 is: 9,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.13 : 17,146.67 = 6,836.13 : x
  2. Step 2: Convert to fraction form
    12,425.13/17,146.67 = 6,836.13/x
  3. Step 3: Cross multiply
    12,425.13x = 17,146.67 × 6,836.13
  4. Step 4: Simplify right side
    12,425.13x = 117,216,865.19
  5. Step 5: Solve for x
    x = 117,216,865.19/12,425.13
  6. Step 6: Final answer
    x = 9,433.85

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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.