Home / 10,912.14-16,372.26-5,714.37

Finding the Fourth Proportional to 10,912.14, 16,372.26 and 5,714.37

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Solution

The fourth proportional to 10,912.14, 16,372.26 and 5,714.37 is: 8,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.14 : 16,372.26 = 5,714.37 : x
  2. Step 2: Convert to fraction form
    10,912.14/16,372.26 = 5,714.37/x
  3. Step 3: Cross multiply
    10,912.14x = 16,372.26 × 5,714.37
  4. Step 4: Simplify right side
    10,912.14x = 93,557,151.38
  5. Step 5: Solve for x
    x = 93,557,151.38/10,912.14
  6. Step 6: Final answer
    x = 8,573.68

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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.