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Finding the Fourth Proportional to 8,793.39, 12,134.84 and 4,814.43

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Solution

The fourth proportional to 8,793.39, 12,134.84 and 4,814.43 is: 6,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.39 : 12,134.84 = 4,814.43 : x
  2. Step 2: Convert to fraction form
    8,793.39/12,134.84 = 4,814.43/x
  3. Step 3: Cross multiply
    8,793.39x = 12,134.84 × 4,814.43
  4. Step 4: Simplify right side
    8,793.39x = 58,422,313.67
  5. Step 5: Solve for x
    x = 58,422,313.67/8,793.39
  6. Step 6: Final answer
    x = 6,643.89

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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.