Home / 6,729.68-9,286.16-3,745.11

Finding the Fourth Proportional to 6,729.68, 9,286.16 and 3,745.11

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Solution

The fourth proportional to 6,729.68, 9,286.16 and 3,745.11 is: 5,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.68 : 9,286.16 = 3,745.11 : x
  2. Step 2: Convert to fraction form
    6,729.68/9,286.16 = 3,745.11/x
  3. Step 3: Cross multiply
    6,729.68x = 9,286.16 × 3,745.11
  4. Step 4: Simplify right side
    6,729.68x = 34,777,671.95
  5. Step 5: Solve for x
    x = 34,777,671.95/6,729.68
  6. Step 6: Final answer
    x = 5,167.81

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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.