Home / 8,745.90-13,115.61-3,550.02

Finding the Fourth Proportional to 8,745.90, 13,115.61 and 3,550.02

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Solution

The fourth proportional to 8,745.90, 13,115.61 and 3,550.02 is: 5,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.90 : 13,115.61 = 3,550.02 : x
  2. Step 2: Convert to fraction form
    8,745.90/13,115.61 = 3,550.02/x
  3. Step 3: Cross multiply
    8,745.90x = 13,115.61 × 3,550.02
  4. Step 4: Simplify right side
    8,745.90x = 46,560,677.81
  5. Step 5: Solve for x
    x = 46,560,677.81/8,745.90
  6. Step 6: Final answer
    x = 5,323.71

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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.