Home / 11,163.46-16,747.62-5,312.02

Finding the Fourth Proportional to 11,163.46, 16,747.62 and 5,312.02

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Solution

The fourth proportional to 11,163.46, 16,747.62 and 5,312.02 is: 7,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.46 : 16,747.62 = 5,312.02 : x
  2. Step 2: Convert to fraction form
    11,163.46/16,747.62 = 5,312.02/x
  3. Step 3: Cross multiply
    11,163.46x = 16,747.62 × 5,312.02
  4. Step 4: Simplify right side
    11,163.46x = 88,963,692.39
  5. Step 5: Solve for x
    x = 88,963,692.39/11,163.46
  6. Step 6: Final answer
    x = 7,969.19

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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.