Home / 11,957.22-17,936.64-4,165.02

Finding the Fourth Proportional to 11,957.22, 17,936.64 and 4,165.02

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Solution

The fourth proportional to 11,957.22, 17,936.64 and 4,165.02 is: 6,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.22 : 17,936.64 = 4,165.02 : x
  2. Step 2: Convert to fraction form
    11,957.22/17,936.64 = 4,165.02/x
  3. Step 3: Cross multiply
    11,957.22x = 17,936.64 × 4,165.02
  4. Step 4: Simplify right side
    11,957.22x = 74,706,464.33
  5. Step 5: Solve for x
    x = 74,706,464.33/11,957.22
  6. Step 6: Final answer
    x = 6,247.81

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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.