Home / 9,163.40-13,750.38-5,474.60

Finding the Fourth Proportional to 9,163.40, 13,750.38 and 5,474.60

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Solution

The fourth proportional to 9,163.40, 13,750.38 and 5,474.60 is: 8,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.40 : 13,750.38 = 5,474.60 : x
  2. Step 2: Convert to fraction form
    9,163.40/13,750.38 = 5,474.60/x
  3. Step 3: Cross multiply
    9,163.40x = 13,750.38 × 5,474.60
  4. Step 4: Simplify right side
    9,163.40x = 75,277,830.35
  5. Step 5: Solve for x
    x = 75,277,830.35/9,163.40
  6. Step 6: Final answer
    x = 8,215.05

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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.