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Finding the Fourth Proportional to 8,996.44, 12,415.26 and 5,219.44

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Solution

The fourth proportional to 8,996.44, 12,415.26 and 5,219.44 is: 7,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.44 : 12,415.26 = 5,219.44 : x
  2. Step 2: Convert to fraction form
    8,996.44/12,415.26 = 5,219.44/x
  3. Step 3: Cross multiply
    8,996.44x = 12,415.26 × 5,219.44
  4. Step 4: Simplify right side
    8,996.44x = 64,800,704.65
  5. Step 5: Solve for x
    x = 64,800,704.65/8,996.44
  6. Step 6: Final answer
    x = 7,202.93

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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.