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Finding the Fourth Proportional to 9,305.67, 12,836.06 and 6,119.33

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Solution

The fourth proportional to 9,305.67, 12,836.06 and 6,119.33 is: 8,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.67 : 12,836.06 = 6,119.33 : x
  2. Step 2: Convert to fraction form
    9,305.67/12,836.06 = 6,119.33/x
  3. Step 3: Cross multiply
    9,305.67x = 12,836.06 × 6,119.33
  4. Step 4: Simplify right side
    9,305.67x = 78,548,087.04
  5. Step 5: Solve for x
    x = 78,548,087.04/9,305.67
  6. Step 6: Final answer
    x = 8,440.88

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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.