Home / 10,745.80-16,120.14-3,350.76

Finding the Fourth Proportional to 10,745.80, 16,120.14 and 3,350.76

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Solution

The fourth proportional to 10,745.80, 16,120.14 and 3,350.76 is: 5,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.80 : 16,120.14 = 3,350.76 : x
  2. Step 2: Convert to fraction form
    10,745.80/16,120.14 = 3,350.76/x
  3. Step 3: Cross multiply
    10,745.80x = 16,120.14 × 3,350.76
  4. Step 4: Simplify right side
    10,745.80x = 54,014,720.31
  5. Step 5: Solve for x
    x = 54,014,720.31/10,745.80
  6. Step 6: Final answer
    x = 5,026.59

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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.