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Finding the Fourth Proportional to 8,367.68, 11,549.04 and 4,830.68

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Solution

The fourth proportional to 8,367.68, 11,549.04 and 4,830.68 is: 6,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.68 : 11,549.04 = 4,830.68 : x
  2. Step 2: Convert to fraction form
    8,367.68/11,549.04 = 4,830.68/x
  3. Step 3: Cross multiply
    8,367.68x = 11,549.04 × 4,830.68
  4. Step 4: Simplify right side
    8,367.68x = 55,789,716.55
  5. Step 5: Solve for x
    x = 55,789,716.55/8,367.68
  6. Step 6: Final answer
    x = 6,667.29

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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.