Home / 9,308.87-13,953.97-3,380.74

Finding the Fourth Proportional to 9,308.87, 13,953.97 and 3,380.74

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Solution

The fourth proportional to 9,308.87, 13,953.97 and 3,380.74 is: 5,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.87 : 13,953.97 = 3,380.74 : x
  2. Step 2: Convert to fraction form
    9,308.87/13,953.97 = 3,380.74/x
  3. Step 3: Cross multiply
    9,308.87x = 13,953.97 × 3,380.74
  4. Step 4: Simplify right side
    9,308.87x = 47,174,713.88
  5. Step 5: Solve for x
    x = 47,174,713.88/9,308.87
  6. Step 6: Final answer
    x = 5,067.71

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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.