Home / 10,954.32-16,434.60-3,163.08

Finding the Fourth Proportional to 10,954.32, 16,434.60 and 3,163.08

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Solution

The fourth proportional to 10,954.32, 16,434.60 and 3,163.08 is: 4,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.32 : 16,434.60 = 3,163.08 : x
  2. Step 2: Convert to fraction form
    10,954.32/16,434.60 = 3,163.08/x
  3. Step 3: Cross multiply
    10,954.32x = 16,434.60 × 3,163.08
  4. Step 4: Simplify right side
    10,954.32x = 51,983,954.57
  5. Step 5: Solve for x
    x = 51,983,954.57/10,954.32
  6. Step 6: Final answer
    x = 4,745.52

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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.