Home / 10,913.92-16,371.93-4,338.64

Finding the Fourth Proportional to 10,913.92, 16,371.93 and 4,338.64

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Solution

The fourth proportional to 10,913.92, 16,371.93 and 4,338.64 is: 6,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.92 : 16,371.93 = 4,338.64 : x
  2. Step 2: Convert to fraction form
    10,913.92/16,371.93 = 4,338.64/x
  3. Step 3: Cross multiply
    10,913.92x = 16,371.93 × 4,338.64
  4. Step 4: Simplify right side
    10,913.92x = 71,031,910.38
  5. Step 5: Solve for x
    x = 71,031,910.38/10,913.92
  6. Step 6: Final answer
    x = 6,508.38

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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.