Home / 11,943.06-17,912.58-3,621.11

Finding the Fourth Proportional to 11,943.06, 17,912.58 and 3,621.11

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Solution

The fourth proportional to 11,943.06, 17,912.58 and 3,621.11 is: 5,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.06 : 17,912.58 = 3,621.11 : x
  2. Step 2: Convert to fraction form
    11,943.06/17,912.58 = 3,621.11/x
  3. Step 3: Cross multiply
    11,943.06x = 17,912.58 × 3,621.11
  4. Step 4: Simplify right side
    11,943.06x = 64,863,333.00
  5. Step 5: Solve for x
    x = 64,863,333.00/11,943.06
  6. Step 6: Final answer
    x = 5,431.05

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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.