Home / 9,110.97-12,578.60-5,972.62

Finding the Fourth Proportional to 9,110.97, 12,578.60 and 5,972.62

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Solution

The fourth proportional to 9,110.97, 12,578.60 and 5,972.62 is: 8,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.97 : 12,578.60 = 5,972.62 : x
  2. Step 2: Convert to fraction form
    9,110.97/12,578.60 = 5,972.62/x
  3. Step 3: Cross multiply
    9,110.97x = 12,578.60 × 5,972.62
  4. Step 4: Simplify right side
    9,110.97x = 75,127,197.93
  5. Step 5: Solve for x
    x = 75,127,197.93/9,110.97
  6. Step 6: Final answer
    x = 8,245.80

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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.