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Finding the Fourth Proportional to 8,011.26, 11,993.23 and 5,917.36

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Solution

The fourth proportional to 8,011.26, 11,993.23 and 5,917.36 is: 8,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.26 : 11,993.23 = 5,917.36 : x
  2. Step 2: Convert to fraction form
    8,011.26/11,993.23 = 5,917.36/x
  3. Step 3: Cross multiply
    8,011.26x = 11,993.23 × 5,917.36
  4. Step 4: Simplify right side
    8,011.26x = 70,968,229.89
  5. Step 5: Solve for x
    x = 70,968,229.89/8,011.26
  6. Step 6: Final answer
    x = 8,858.56

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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.