Home / 10,651.11-15,965.87-5,096.31

Finding the Fourth Proportional to 10,651.11, 15,965.87 and 5,096.31

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Solution

The fourth proportional to 10,651.11, 15,965.87 and 5,096.31 is: 7,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.11 : 15,965.87 = 5,096.31 : x
  2. Step 2: Convert to fraction form
    10,651.11/15,965.87 = 5,096.31/x
  3. Step 3: Cross multiply
    10,651.11x = 15,965.87 × 5,096.31
  4. Step 4: Simplify right side
    10,651.11x = 81,366,997.46
  5. Step 5: Solve for x
    x = 81,366,997.46/10,651.11
  6. Step 6: Final answer
    x = 7,639.30

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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.