Home / 10,401.96-15,609.06-3,828.66

Finding the Fourth Proportional to 10,401.96, 15,609.06 and 3,828.66

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Solution

The fourth proportional to 10,401.96, 15,609.06 and 3,828.66 is: 5,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.96 : 15,609.06 = 3,828.66 : x
  2. Step 2: Convert to fraction form
    10,401.96/15,609.06 = 3,828.66/x
  3. Step 3: Cross multiply
    10,401.96x = 15,609.06 × 3,828.66
  4. Step 4: Simplify right side
    10,401.96x = 59,761,783.66
  5. Step 5: Solve for x
    x = 59,761,783.66/10,401.96
  6. Step 6: Final answer
    x = 5,745.24

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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.