Home / 10,745.26-16,122.66-4,171.95

Finding the Fourth Proportional to 10,745.26, 16,122.66 and 4,171.95

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Solution

The fourth proportional to 10,745.26, 16,122.66 and 4,171.95 is: 6,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.26 : 16,122.66 = 4,171.95 : x
  2. Step 2: Convert to fraction form
    10,745.26/16,122.66 = 4,171.95/x
  3. Step 3: Cross multiply
    10,745.26x = 16,122.66 × 4,171.95
  4. Step 4: Simplify right side
    10,745.26x = 67,262,931.39
  5. Step 5: Solve for x
    x = 67,262,931.39/10,745.26
  6. Step 6: Final answer
    x = 6,259.78

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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.