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Finding the Fourth Proportional to 11,538, 15,922.44 and 6,570.96

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Solution

The fourth proportional to 11,538, 15,922.44 and 6,570.96 is: 9,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538 : 15,922.44 = 6,570.96 : x
  2. Step 2: Convert to fraction form
    11,538/15,922.44 = 6,570.96/x
  3. Step 3: Cross multiply
    11,538x = 15,922.44 × 6,570.96
  4. Step 4: Simplify right side
    11,538x = 104,625,716.34
  5. Step 5: Solve for x
    x = 104,625,716.34/11,538
  6. Step 6: Final answer
    x = 9,067.92

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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.