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Finding the Fourth Proportional to 11,337.88, 16,975.26 and 8,556.12

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Solution

The fourth proportional to 11,337.88, 16,975.26 and 8,556.12 is: 12,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.88 : 16,975.26 = 8,556.12 : x
  2. Step 2: Convert to fraction form
    11,337.88/16,975.26 = 8,556.12/x
  3. Step 3: Cross multiply
    11,337.88x = 16,975.26 × 8,556.12
  4. Step 4: Simplify right side
    11,337.88x = 145,242,361.59
  5. Step 5: Solve for x
    x = 145,242,361.59/11,337.88
  6. Step 6: Final answer
    x = 12,810.36

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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.