Home / 10,954.56-16,434.60-3,163.44

Finding the Fourth Proportional to 10,954.56, 16,434.60 and 3,163.44

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Solution

The fourth proportional to 10,954.56, 16,434.60 and 3,163.44 is: 4,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.56 : 16,434.60 = 3,163.44 : x
  2. Step 2: Convert to fraction form
    10,954.56/16,434.60 = 3,163.44/x
  3. Step 3: Cross multiply
    10,954.56x = 16,434.60 × 3,163.44
  4. Step 4: Simplify right side
    10,954.56x = 51,989,871.02
  5. Step 5: Solve for x
    x = 51,989,871.02/10,954.56
  6. Step 6: Final answer
    x = 4,745.96

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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.