Home / 10,687.75-16,031.62-2,896.56

Finding the Fourth Proportional to 10,687.75, 16,031.62 and 2,896.56

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Solution

The fourth proportional to 10,687.75, 16,031.62 and 2,896.56 is: 4,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.75 : 16,031.62 = 2,896.56 : x
  2. Step 2: Convert to fraction form
    10,687.75/16,031.62 = 2,896.56/x
  3. Step 3: Cross multiply
    10,687.75x = 16,031.62 × 2,896.56
  4. Step 4: Simplify right side
    10,687.75x = 46,436,541.99
  5. Step 5: Solve for x
    x = 46,436,541.99/10,687.75
  6. Step 6: Final answer
    x = 4,344.84

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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.