Home / 10,383.20-15,577.26-3,363.21

Finding the Fourth Proportional to 10,383.20, 15,577.26 and 3,363.21

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Solution

The fourth proportional to 10,383.20, 15,577.26 and 3,363.21 is: 5,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.20 : 15,577.26 = 3,363.21 : x
  2. Step 2: Convert to fraction form
    10,383.20/15,577.26 = 3,363.21/x
  3. Step 3: Cross multiply
    10,383.20x = 15,577.26 × 3,363.21
  4. Step 4: Simplify right side
    10,383.20x = 52,389,596.60
  5. Step 5: Solve for x
    x = 52,389,596.60/10,383.20
  6. Step 6: Final answer
    x = 5,045.61

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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.