Home / 10,067.80-13,893.70-5,591.84

Finding the Fourth Proportional to 10,067.80, 13,893.70 and 5,591.84

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Solution

The fourth proportional to 10,067.80, 13,893.70 and 5,591.84 is: 7,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.80 : 13,893.70 = 5,591.84 : x
  2. Step 2: Convert to fraction form
    10,067.80/13,893.70 = 5,591.84/x
  3. Step 3: Cross multiply
    10,067.80x = 13,893.70 × 5,591.84
  4. Step 4: Simplify right side
    10,067.80x = 77,691,347.41
  5. Step 5: Solve for x
    x = 77,691,347.41/10,067.80
  6. Step 6: Final answer
    x = 7,716.81

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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.