Home / 9,163.41-13,747.14-3,320.48

Finding the Fourth Proportional to 9,163.41, 13,747.14 and 3,320.48

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Solution

The fourth proportional to 9,163.41, 13,747.14 and 3,320.48 is: 4,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.41 : 13,747.14 = 3,320.48 : x
  2. Step 2: Convert to fraction form
    9,163.41/13,747.14 = 3,320.48/x
  3. Step 3: Cross multiply
    9,163.41x = 13,747.14 × 3,320.48
  4. Step 4: Simplify right side
    9,163.41x = 45,647,034.69
  5. Step 5: Solve for x
    x = 45,647,034.69/9,163.41
  6. Step 6: Final answer
    x = 4,981.45

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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.