Home / 9,163.29-13,735.73-3,620.57

Finding the Fourth Proportional to 9,163.29, 13,735.73 and 3,620.57

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Solution

The fourth proportional to 9,163.29, 13,735.73 and 3,620.57 is: 5,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.29 : 13,735.73 = 3,620.57 : x
  2. Step 2: Convert to fraction form
    9,163.29/13,735.73 = 3,620.57/x
  3. Step 3: Cross multiply
    9,163.29x = 13,735.73 × 3,620.57
  4. Step 4: Simplify right side
    9,163.29x = 49,731,085.18
  5. Step 5: Solve for x
    x = 49,731,085.18/9,163.29
  6. Step 6: Final answer
    x = 5,427.21

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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.