Home / 12,190.75-16,823.24-6,601.75

Finding the Fourth Proportional to 12,190.75, 16,823.24 and 6,601.75

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Solution

The fourth proportional to 12,190.75, 16,823.24 and 6,601.75 is: 9,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.75 : 16,823.24 = 6,601.75 : x
  2. Step 2: Convert to fraction form
    12,190.75/16,823.24 = 6,601.75/x
  3. Step 3: Cross multiply
    12,190.75x = 16,823.24 × 6,601.75
  4. Step 4: Simplify right side
    12,190.75x = 111,062,791.66
  5. Step 5: Solve for x
    x = 111,062,791.66/12,190.75
  6. Step 6: Final answer
    x = 9,110.42

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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.