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Finding the Fourth Proportional to 9,843.32, 13,576.11 and 6,306.86

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Solution

The fourth proportional to 9,843.32, 13,576.11 and 6,306.86 is: 8,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,843.32 : 13,576.11 = 6,306.86 : x
  2. Step 2: Convert to fraction form
    9,843.32/13,576.11 = 6,306.86/x
  3. Step 3: Cross multiply
    9,843.32x = 13,576.11 × 6,306.86
  4. Step 4: Simplify right side
    9,843.32x = 85,622,635.40
  5. Step 5: Solve for x
    x = 85,622,635.40/9,843.32
  6. Step 6: Final answer
    x = 8,698.55

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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.