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Finding the Fourth Proportional to 8,114.88, 11,198.47 and 4,388.88

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Solution

The fourth proportional to 8,114.88, 11,198.47 and 4,388.88 is: 6,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.88 : 11,198.47 = 4,388.88 : x
  2. Step 2: Convert to fraction form
    8,114.88/11,198.47 = 4,388.88/x
  3. Step 3: Cross multiply
    8,114.88x = 11,198.47 × 4,388.88
  4. Step 4: Simplify right side
    8,114.88x = 49,148,719.07
  5. Step 5: Solve for x
    x = 49,148,719.07/8,114.88
  6. Step 6: Final answer
    x = 6,056.62

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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.