Home / 9,917.44-13,673.91-7,786.33

Finding the Fourth Proportional to 9,917.44, 13,673.91 and 7,786.33

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Solution

The fourth proportional to 9,917.44, 13,673.91 and 7,786.33 is: 10,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.44 : 13,673.91 = 7,786.33 : x
  2. Step 2: Convert to fraction form
    9,917.44/13,673.91 = 7,786.33/x
  3. Step 3: Cross multiply
    9,917.44x = 13,673.91 × 7,786.33
  4. Step 4: Simplify right side
    9,917.44x = 106,469,570.66
  5. Step 5: Solve for x
    x = 106,469,570.66/9,917.44
  6. Step 6: Final answer
    x = 10,735.59

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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.