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Finding the Fourth Proportional to 10,843.85, 14,964.63 and 6,369.03

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Solution

The fourth proportional to 10,843.85, 14,964.63 and 6,369.03 is: 8,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,843.85 : 14,964.63 = 6,369.03 : x
  2. Step 2: Convert to fraction form
    10,843.85/14,964.63 = 6,369.03/x
  3. Step 3: Cross multiply
    10,843.85x = 14,964.63 × 6,369.03
  4. Step 4: Simplify right side
    10,843.85x = 95,310,209.64
  5. Step 5: Solve for x
    x = 95,310,209.64/10,843.85
  6. Step 6: Final answer
    x = 8,789.33

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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.