Home / 10,803.13-16,204.70-3,408.34

Finding the Fourth Proportional to 10,803.13, 16,204.70 and 3,408.34

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Solution

The fourth proportional to 10,803.13, 16,204.70 and 3,408.34 is: 5,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.13 : 16,204.70 = 3,408.34 : x
  2. Step 2: Convert to fraction form
    10,803.13/16,204.70 = 3,408.34/x
  3. Step 3: Cross multiply
    10,803.13x = 16,204.70 × 3,408.34
  4. Step 4: Simplify right side
    10,803.13x = 55,231,145.98
  5. Step 5: Solve for x
    x = 55,231,145.98/10,803.13
  6. Step 6: Final answer
    x = 5,112.51

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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.