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Finding the Fourth Proportional to 8,818.35, 13,227.53 and 6,872.01

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Solution

The fourth proportional to 8,818.35, 13,227.53 and 6,872.01 is: 10,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.35 : 13,227.53 = 6,872.01 : x
  2. Step 2: Convert to fraction form
    8,818.35/13,227.53 = 6,872.01/x
  3. Step 3: Cross multiply
    8,818.35x = 13,227.53 × 6,872.01
  4. Step 4: Simplify right side
    8,818.35x = 90,899,684.08
  5. Step 5: Solve for x
    x = 90,899,684.08/8,818.35
  6. Step 6: Final answer
    x = 10,308.02

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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.