Home / 11,720.44-17,563.38-5,869

Finding the Fourth Proportional to 11,720.44, 17,563.38 and 5,869

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Solution

The fourth proportional to 11,720.44, 17,563.38 and 5,869 is: 8,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.44 : 17,563.38 = 5,869 : x
  2. Step 2: Convert to fraction form
    11,720.44/17,563.38 = 5,869/x
  3. Step 3: Cross multiply
    11,720.44x = 17,563.38 × 5,869
  4. Step 4: Simplify right side
    11,720.44x = 103,079,477.22
  5. Step 5: Solve for x
    x = 103,079,477.22/11,720.44
  6. Step 6: Final answer
    x = 8,794.85

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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.