Home / 11,967.21-17,950.83-3,201.90

Finding the Fourth Proportional to 11,967.21, 17,950.83 and 3,201.90

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Solution

The fourth proportional to 11,967.21, 17,950.83 and 3,201.90 is: 4,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.21 : 17,950.83 = 3,201.90 : x
  2. Step 2: Convert to fraction form
    11,967.21/17,950.83 = 3,201.90/x
  3. Step 3: Cross multiply
    11,967.21x = 17,950.83 × 3,201.90
  4. Step 4: Simplify right side
    11,967.21x = 57,476,762.58
  5. Step 5: Solve for x
    x = 57,476,762.58/11,967.21
  6. Step 6: Final answer
    x = 4,802.85

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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.