Home / 9,163.13-13,744.69-3,319.73

Finding the Fourth Proportional to 9,163.13, 13,744.69 and 3,319.73

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Solution

The fourth proportional to 9,163.13, 13,744.69 and 3,319.73 is: 4,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.13 : 13,744.69 = 3,319.73 : x
  2. Step 2: Convert to fraction form
    9,163.13/13,744.69 = 3,319.73/x
  3. Step 3: Cross multiply
    9,163.13x = 13,744.69 × 3,319.73
  4. Step 4: Simplify right side
    9,163.13x = 45,628,711.57
  5. Step 5: Solve for x
    x = 45,628,711.57/9,163.13
  6. Step 6: Final answer
    x = 4,979.60

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1.5x scale

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.