Home / 7,940.84-11,913.03-2,676.06

Finding the Fourth Proportional to 7,940.84, 11,913.03 and 2,676.06

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Solution

The fourth proportional to 7,940.84, 11,913.03 and 2,676.06 is: 4,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.84 : 11,913.03 = 2,676.06 : x
  2. Step 2: Convert to fraction form
    7,940.84/11,913.03 = 2,676.06/x
  3. Step 3: Cross multiply
    7,940.84x = 11,913.03 × 2,676.06
  4. Step 4: Simplify right side
    7,940.84x = 31,879,983.06
  5. Step 5: Solve for x
    x = 31,879,983.06/7,940.84
  6. Step 6: Final answer
    x = 4,014.69

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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.