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Finding the Fourth Proportional to 9,335.44, 12,873 and 8,395.12

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Solution

The fourth proportional to 9,335.44, 12,873 and 8,395.12 is: 11,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.44 : 12,873 = 8,395.12 : x
  2. Step 2: Convert to fraction form
    9,335.44/12,873 = 8,395.12/x
  3. Step 3: Cross multiply
    9,335.44x = 12,873 × 8,395.12
  4. Step 4: Simplify right side
    9,335.44x = 108,070,379.76
  5. Step 5: Solve for x
    x = 108,070,379.76/9,335.44
  6. Step 6: Final answer
    x = 11,576.36

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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.