Home / 10,936.17-16,408.67-5,389.38

Finding the Fourth Proportional to 10,936.17, 16,408.67 and 5,389.38

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Solution

The fourth proportional to 10,936.17, 16,408.67 and 5,389.38 is: 8,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.17 : 16,408.67 = 5,389.38 : x
  2. Step 2: Convert to fraction form
    10,936.17/16,408.67 = 5,389.38/x
  3. Step 3: Cross multiply
    10,936.17x = 16,408.67 × 5,389.38
  4. Step 4: Simplify right side
    10,936.17x = 88,432,530.98
  5. Step 5: Solve for x
    x = 88,432,530.98/10,936.17
  6. Step 6: Final answer
    x = 8,086.24

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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.