Home / 10,722.19-16,082.51-3,326.46

Finding the Fourth Proportional to 10,722.19, 16,082.51 and 3,326.46

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Solution

The fourth proportional to 10,722.19, 16,082.51 and 3,326.46 is: 4,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.19 : 16,082.51 = 3,326.46 : x
  2. Step 2: Convert to fraction form
    10,722.19/16,082.51 = 3,326.46/x
  3. Step 3: Cross multiply
    10,722.19x = 16,082.51 × 3,326.46
  4. Step 4: Simplify right side
    10,722.19x = 53,497,745.80
  5. Step 5: Solve for x
    x = 53,497,745.80/10,722.19
  6. Step 6: Final answer
    x = 4,989.44

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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.