Home / 11,490.65-17,231.72-4,093.14

Finding the Fourth Proportional to 11,490.65, 17,231.72 and 4,093.14

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Solution

The fourth proportional to 11,490.65, 17,231.72 and 4,093.14 is: 6,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.65 : 17,231.72 = 4,093.14 : x
  2. Step 2: Convert to fraction form
    11,490.65/17,231.72 = 4,093.14/x
  3. Step 3: Cross multiply
    11,490.65x = 17,231.72 × 4,093.14
  4. Step 4: Simplify right side
    11,490.65x = 70,531,821.94
  5. Step 5: Solve for x
    x = 70,531,821.94/11,490.65
  6. Step 6: Final answer
    x = 6,138.20

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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.