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Finding the Fourth Proportional to 12,503.97, 17,241.26 and 11,741.36

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Solution

The fourth proportional to 12,503.97, 17,241.26 and 11,741.36 is: 16,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.97 : 17,241.26 = 11,741.36 : x
  2. Step 2: Convert to fraction form
    12,503.97/17,241.26 = 11,741.36/x
  3. Step 3: Cross multiply
    12,503.97x = 17,241.26 × 11,741.36
  4. Step 4: Simplify right side
    12,503.97x = 202,435,695.60
  5. Step 5: Solve for x
    x = 202,435,695.60/12,503.97
  6. Step 6: Final answer
    x = 16,189.71

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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.