Home / 7,104.13-10,659.26-3,813.38

Finding the Fourth Proportional to 7,104.13, 10,659.26 and 3,813.38

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Solution

The fourth proportional to 7,104.13, 10,659.26 and 3,813.38 is: 5,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.13 : 10,659.26 = 3,813.38 : x
  2. Step 2: Convert to fraction form
    7,104.13/10,659.26 = 3,813.38/x
  3. Step 3: Cross multiply
    7,104.13x = 10,659.26 × 3,813.38
  4. Step 4: Simplify right side
    7,104.13x = 40,647,765.14
  5. Step 5: Solve for x
    x = 40,647,765.14/7,104.13
  6. Step 6: Final answer
    x = 5,721.71

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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.