Home / 10,765.82-16,143.26-5,495.16

Finding the Fourth Proportional to 10,765.82, 16,143.26 and 5,495.16

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Solution

The fourth proportional to 10,765.82, 16,143.26 and 5,495.16 is: 8,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.82 : 16,143.26 = 5,495.16 : x
  2. Step 2: Convert to fraction form
    10,765.82/16,143.26 = 5,495.16/x
  3. Step 3: Cross multiply
    10,765.82x = 16,143.26 × 5,495.16
  4. Step 4: Simplify right side
    10,765.82x = 88,709,796.62
  5. Step 5: Solve for x
    x = 88,709,796.62/10,765.82
  6. Step 6: Final answer
    x = 8,239.95

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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.