Home / 11,974.68-17,964.36-3,655.08

Finding the Fourth Proportional to 11,974.68, 17,964.36 and 3,655.08

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Solution

The fourth proportional to 11,974.68, 17,964.36 and 3,655.08 is: 5,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.68 : 17,964.36 = 3,655.08 : x
  2. Step 2: Convert to fraction form
    11,974.68/17,964.36 = 3,655.08/x
  3. Step 3: Cross multiply
    11,974.68x = 17,964.36 × 3,655.08
  4. Step 4: Simplify right side
    11,974.68x = 65,661,172.95
  5. Step 5: Solve for x
    x = 65,661,172.95/11,974.68
  6. Step 6: Final answer
    x = 5,483.33

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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.