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Finding the Fourth Proportional to 11,668.65, 16,102.44 and 6,363.42

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Solution

The fourth proportional to 11,668.65, 16,102.44 and 6,363.42 is: 8,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.65 : 16,102.44 = 6,363.42 : x
  2. Step 2: Convert to fraction form
    11,668.65/16,102.44 = 6,363.42/x
  3. Step 3: Cross multiply
    11,668.65x = 16,102.44 × 6,363.42
  4. Step 4: Simplify right side
    11,668.65x = 102,466,588.74
  5. Step 5: Solve for x
    x = 102,466,588.74/11,668.65
  6. Step 6: Final answer
    x = 8,781.36

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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.