Home / 11,623.70-17,442.98-4,227.45

Finding the Fourth Proportional to 11,623.70, 17,442.98 and 4,227.45

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Solution

The fourth proportional to 11,623.70, 17,442.98 and 4,227.45 is: 6,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.70 : 17,442.98 = 4,227.45 : x
  2. Step 2: Convert to fraction form
    11,623.70/17,442.98 = 4,227.45/x
  3. Step 3: Cross multiply
    11,623.70x = 17,442.98 × 4,227.45
  4. Step 4: Simplify right side
    11,623.70x = 73,739,304.66
  5. Step 5: Solve for x
    x = 73,739,304.66/11,623.70
  6. Step 6: Final answer
    x = 6,343.88

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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.