Home / 11,418.21-17,112.94-5,176.35

Finding the Fourth Proportional to 11,418.21, 17,112.94 and 5,176.35

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Solution

The fourth proportional to 11,418.21, 17,112.94 and 5,176.35 is: 7,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.21 : 17,112.94 = 5,176.35 : x
  2. Step 2: Convert to fraction form
    11,418.21/17,112.94 = 5,176.35/x
  3. Step 3: Cross multiply
    11,418.21x = 17,112.94 × 5,176.35
  4. Step 4: Simplify right side
    11,418.21x = 88,582,554.03
  5. Step 5: Solve for x
    x = 88,582,554.03/11,418.21
  6. Step 6: Final answer
    x = 7,758.01

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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.