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Finding the Fourth Proportional to 9,167.61, 13,751.46 and 6,238.65

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Solution

The fourth proportional to 9,167.61, 13,751.46 and 6,238.65 is: 9,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.61 : 13,751.46 = 6,238.65 : x
  2. Step 2: Convert to fraction form
    9,167.61/13,751.46 = 6,238.65/x
  3. Step 3: Cross multiply
    9,167.61x = 13,751.46 × 6,238.65
  4. Step 4: Simplify right side
    9,167.61x = 85,790,545.93
  5. Step 5: Solve for x
    x = 85,790,545.93/9,167.61
  6. Step 6: Final answer
    x = 9,358.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.