Home / 7,928.43-10,935.96-5,099.38

Finding the Fourth Proportional to 7,928.43, 10,935.96 and 5,099.38

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Solution

The fourth proportional to 7,928.43, 10,935.96 and 5,099.38 is: 7,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.43 : 10,935.96 = 5,099.38 : x
  2. Step 2: Convert to fraction form
    7,928.43/10,935.96 = 5,099.38/x
  3. Step 3: Cross multiply
    7,928.43x = 10,935.96 × 5,099.38
  4. Step 4: Simplify right side
    7,928.43x = 55,766,590.21
  5. Step 5: Solve for x
    x = 55,766,590.21/7,928.43
  6. Step 6: Final answer
    x = 7,033.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.