Home / 9,163.35-13,744.98-3,318.59

Finding the Fourth Proportional to 9,163.35, 13,744.98 and 3,318.59

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Solution

The fourth proportional to 9,163.35, 13,744.98 and 3,318.59 is: 4,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.35 : 13,744.98 = 3,318.59 : x
  2. Step 2: Convert to fraction form
    9,163.35/13,744.98 = 3,318.59/x
  3. Step 3: Cross multiply
    9,163.35x = 13,744.98 × 3,318.59
  4. Step 4: Simplify right side
    9,163.35x = 45,613,953.18
  5. Step 5: Solve for x
    x = 45,613,953.18/9,163.35
  6. Step 6: Final answer
    x = 4,977.87

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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.