Home / 9,971.82-13,761.20-5,495.73

Finding the Fourth Proportional to 9,971.82, 13,761.20 and 5,495.73

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Solution

The fourth proportional to 9,971.82, 13,761.20 and 5,495.73 is: 7,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.82 : 13,761.20 = 5,495.73 : x
  2. Step 2: Convert to fraction form
    9,971.82/13,761.20 = 5,495.73/x
  3. Step 3: Cross multiply
    9,971.82x = 13,761.20 × 5,495.73
  4. Step 4: Simplify right side
    9,971.82x = 75,627,839.68
  5. Step 5: Solve for x
    x = 75,627,839.68/9,971.82
  6. Step 6: Final answer
    x = 7,584.16

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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.