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Finding the Fourth Proportional to 8,167.99, 12,215.07 and 6,293.65

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Solution

The fourth proportional to 8,167.99, 12,215.07 and 6,293.65 is: 9,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.99 : 12,215.07 = 6,293.65 : x
  2. Step 2: Convert to fraction form
    8,167.99/12,215.07 = 6,293.65/x
  3. Step 3: Cross multiply
    8,167.99x = 12,215.07 × 6,293.65
  4. Step 4: Simplify right side
    8,167.99x = 76,877,375.31
  5. Step 5: Solve for x
    x = 76,877,375.31/8,167.99
  6. Step 6: Final answer
    x = 9,412.03

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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.