Home / 10,531.87-15,796.09-3,511.94

Finding the Fourth Proportional to 10,531.87, 15,796.09 and 3,511.94

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Solution

The fourth proportional to 10,531.87, 15,796.09 and 3,511.94 is: 5,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.87 : 15,796.09 = 3,511.94 : x
  2. Step 2: Convert to fraction form
    10,531.87/15,796.09 = 3,511.94/x
  3. Step 3: Cross multiply
    10,531.87x = 15,796.09 × 3,511.94
  4. Step 4: Simplify right side
    10,531.87x = 55,474,902.75
  5. Step 5: Solve for x
    x = 55,474,902.75/10,531.87
  6. Step 6: Final answer
    x = 5,267.34

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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.