Home / 11,878.01-17,816.38-4,481.99

Finding the Fourth Proportional to 11,878.01, 17,816.38 and 4,481.99

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Solution

The fourth proportional to 11,878.01, 17,816.38 and 4,481.99 is: 6,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.01 : 17,816.38 = 4,481.99 : x
  2. Step 2: Convert to fraction form
    11,878.01/17,816.38 = 4,481.99/x
  3. Step 3: Cross multiply
    11,878.01x = 17,816.38 × 4,481.99
  4. Step 4: Simplify right side
    11,878.01x = 79,852,837.00
  5. Step 5: Solve for x
    x = 79,852,837.00/11,878.01
  6. Step 6: Final answer
    x = 6,722.75

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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.