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Finding the Fourth Proportional to 8,763.44, 12,093.82 and 4,987.14

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Solution

The fourth proportional to 8,763.44, 12,093.82 and 4,987.14 is: 6,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.44 : 12,093.82 = 4,987.14 : x
  2. Step 2: Convert to fraction form
    8,763.44/12,093.82 = 4,987.14/x
  3. Step 3: Cross multiply
    8,763.44x = 12,093.82 × 4,987.14
  4. Step 4: Simplify right side
    8,763.44x = 60,313,573.47
  5. Step 5: Solve for x
    x = 60,313,573.47/8,763.44
  6. Step 6: Final answer
    x = 6,882.41

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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.