Home / 7,899.92-11,850.56-2,056.54

Finding the Fourth Proportional to 7,899.92, 11,850.56 and 2,056.54

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Solution

The fourth proportional to 7,899.92, 11,850.56 and 2,056.54 is: 3,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.92 : 11,850.56 = 2,056.54 : x
  2. Step 2: Convert to fraction form
    7,899.92/11,850.56 = 2,056.54/x
  3. Step 3: Cross multiply
    7,899.92x = 11,850.56 × 2,056.54
  4. Step 4: Simplify right side
    7,899.92x = 24,371,150.66
  5. Step 5: Solve for x
    x = 24,371,150.66/7,899.92
  6. Step 6: Final answer
    x = 3,084.99

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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.