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Finding the Fourth Proportional to 8,228.28, 11,354.97 and 4,502.28

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Solution

The fourth proportional to 8,228.28, 11,354.97 and 4,502.28 is: 6,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.28 : 11,354.97 = 4,502.28 : x
  2. Step 2: Convert to fraction form
    8,228.28/11,354.97 = 4,502.28/x
  3. Step 3: Cross multiply
    8,228.28x = 11,354.97 × 4,502.28
  4. Step 4: Simplify right side
    8,228.28x = 51,123,254.33
  5. Step 5: Solve for x
    x = 51,123,254.33/8,228.28
  6. Step 6: Final answer
    x = 6,213.12

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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.