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Finding the Fourth Proportional to 8,556.57, 11,801.57 and 7,363.54

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Solution

The fourth proportional to 8,556.57, 11,801.57 and 7,363.54 is: 10,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.57 : 11,801.57 = 7,363.54 : x
  2. Step 2: Convert to fraction form
    8,556.57/11,801.57 = 7,363.54/x
  3. Step 3: Cross multiply
    8,556.57x = 11,801.57 × 7,363.54
  4. Step 4: Simplify right side
    8,556.57x = 86,901,310.69
  5. Step 5: Solve for x
    x = 86,901,310.69/8,556.57
  6. Step 6: Final answer
    x = 10,156.09

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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.