Home / 10,803.30-16,204.96-3,408.51

Finding the Fourth Proportional to 10,803.30, 16,204.96 and 3,408.51

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Solution

The fourth proportional to 10,803.30, 16,204.96 and 3,408.51 is: 5,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.30 : 16,204.96 = 3,408.51 : x
  2. Step 2: Convert to fraction form
    10,803.30/16,204.96 = 3,408.51/x
  3. Step 3: Cross multiply
    10,803.30x = 16,204.96 × 3,408.51
  4. Step 4: Simplify right side
    10,803.30x = 55,234,768.21
  5. Step 5: Solve for x
    x = 55,234,768.21/10,803.30
  6. Step 6: Final answer
    x = 5,112.77

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1.5x scale

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.