Home / 11,982.36-17,962.68-5,053.08

Finding the Fourth Proportional to 11,982.36, 17,962.68 and 5,053.08

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Solution

The fourth proportional to 11,982.36, 17,962.68 and 5,053.08 is: 7,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.36 : 17,962.68 = 5,053.08 : x
  2. Step 2: Convert to fraction form
    11,982.36/17,962.68 = 5,053.08/x
  3. Step 3: Cross multiply
    11,982.36x = 17,962.68 × 5,053.08
  4. Step 4: Simplify right side
    11,982.36x = 90,766,859.05
  5. Step 5: Solve for x
    x = 90,766,859.05/11,982.36
  6. Step 6: Final answer
    x = 7,575.04

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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.