Home / 8,791.35-13,193.38-3,455.33

Finding the Fourth Proportional to 8,791.35, 13,193.38 and 3,455.33

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Solution

The fourth proportional to 8,791.35, 13,193.38 and 3,455.33 is: 5,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.35 : 13,193.38 = 3,455.33 : x
  2. Step 2: Convert to fraction form
    8,791.35/13,193.38 = 3,455.33/x
  3. Step 3: Cross multiply
    8,791.35x = 13,193.38 × 3,455.33
  4. Step 4: Simplify right side
    8,791.35x = 45,587,415.75
  5. Step 5: Solve for x
    x = 45,587,415.75/8,791.35
  6. Step 6: Final answer
    x = 5,185.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.