Home / 10,932.67-16,401.44-3,140.89

Finding the Fourth Proportional to 10,932.67, 16,401.44 and 3,140.89

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Solution

The fourth proportional to 10,932.67, 16,401.44 and 3,140.89 is: 4,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.67 : 16,401.44 = 3,140.89 : x
  2. Step 2: Convert to fraction form
    10,932.67/16,401.44 = 3,140.89/x
  3. Step 3: Cross multiply
    10,932.67x = 16,401.44 × 3,140.89
  4. Step 4: Simplify right side
    10,932.67x = 51,515,118.88
  5. Step 5: Solve for x
    x = 51,515,118.88/10,932.67
  6. Step 6: Final answer
    x = 4,712.03

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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.