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Finding the Fourth Proportional to 8,394.27, 12,591.36 and 4,010.64

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Solution

The fourth proportional to 8,394.27, 12,591.36 and 4,010.64 is: 6,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.27 : 12,591.36 = 4,010.64 : x
  2. Step 2: Convert to fraction form
    8,394.27/12,591.36 = 4,010.64/x
  3. Step 3: Cross multiply
    8,394.27x = 12,591.36 × 4,010.64
  4. Step 4: Simplify right side
    8,394.27x = 50,499,412.07
  5. Step 5: Solve for x
    x = 50,499,412.07/8,394.27
  6. Step 6: Final answer
    x = 6,015.94

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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.