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Finding the Fourth Proportional to 8,556.86, 11,722.69 and 8,237.04

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Solution

The fourth proportional to 8,556.86, 11,722.69 and 8,237.04 is: 11,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.86 : 11,722.69 = 8,237.04 : x
  2. Step 2: Convert to fraction form
    8,556.86/11,722.69 = 8,237.04/x
  3. Step 3: Cross multiply
    8,556.86x = 11,722.69 × 8,237.04
  4. Step 4: Simplify right side
    8,556.86x = 96,560,266.44
  5. Step 5: Solve for x
    x = 96,560,266.44/8,556.86
  6. Step 6: Final answer
    x = 11,284.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.