Home / 10,764.24-16,138.11-4,916.76

Finding the Fourth Proportional to 10,764.24, 16,138.11 and 4,916.76

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Solution

The fourth proportional to 10,764.24, 16,138.11 and 4,916.76 is: 7,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.24 : 16,138.11 = 4,916.76 : x
  2. Step 2: Convert to fraction form
    10,764.24/16,138.11 = 4,916.76/x
  3. Step 3: Cross multiply
    10,764.24x = 16,138.11 × 4,916.76
  4. Step 4: Simplify right side
    10,764.24x = 79,347,213.72
  5. Step 5: Solve for x
    x = 79,347,213.72/10,764.24
  6. Step 6: Final answer
    x = 7,371.37

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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.