Home / 6,913.94-10,372.68-1,983.92

Finding the Fourth Proportional to 6,913.94, 10,372.68 and 1,983.92

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Solution

The fourth proportional to 6,913.94, 10,372.68 and 1,983.92 is: 2,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.94 : 10,372.68 = 1,983.92 : x
  2. Step 2: Convert to fraction form
    6,913.94/10,372.68 = 1,983.92/x
  3. Step 3: Cross multiply
    6,913.94x = 10,372.68 × 1,983.92
  4. Step 4: Simplify right side
    6,913.94x = 20,578,515.44
  5. Step 5: Solve for x
    x = 20,578,515.44/6,913.94
  6. Step 6: Final answer
    x = 2,976.38

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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.