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Finding the Fourth Proportional to 8,504.87, 11,736.97 and 5,148.29

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Solution

The fourth proportional to 8,504.87, 11,736.97 and 5,148.29 is: 7,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.87 : 11,736.97 = 5,148.29 : x
  2. Step 2: Convert to fraction form
    8,504.87/11,736.97 = 5,148.29/x
  3. Step 3: Cross multiply
    8,504.87x = 11,736.97 × 5,148.29
  4. Step 4: Simplify right side
    8,504.87x = 60,425,341.75
  5. Step 5: Solve for x
    x = 60,425,341.75/8,504.87
  6. Step 6: Final answer
    x = 7,104.80

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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.