Home / 10,961.26-16,433.66-3,561.30

Finding the Fourth Proportional to 10,961.26, 16,433.66 and 3,561.30

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Solution

The fourth proportional to 10,961.26, 16,433.66 and 3,561.30 is: 5,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.26 : 16,433.66 = 3,561.30 : x
  2. Step 2: Convert to fraction form
    10,961.26/16,433.66 = 3,561.30/x
  3. Step 3: Cross multiply
    10,961.26x = 16,433.66 × 3,561.30
  4. Step 4: Simplify right side
    10,961.26x = 58,525,193.36
  5. Step 5: Solve for x
    x = 58,525,193.36/10,961.26
  6. Step 6: Final answer
    x = 5,339.28

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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.