Home / 7,391.12-11,083.91-3,441.74

Finding the Fourth Proportional to 7,391.12, 11,083.91 and 3,441.74

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Solution

The fourth proportional to 7,391.12, 11,083.91 and 3,441.74 is: 5,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.12 : 11,083.91 = 3,441.74 : x
  2. Step 2: Convert to fraction form
    7,391.12/11,083.91 = 3,441.74/x
  3. Step 3: Cross multiply
    7,391.12x = 11,083.91 × 3,441.74
  4. Step 4: Simplify right side
    7,391.12x = 38,147,863.78
  5. Step 5: Solve for x
    x = 38,147,863.78/7,391.12
  6. Step 6: Final answer
    x = 5,161.31

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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.