Home / 6,874.10-10,311.69-1,943.66

Finding the Fourth Proportional to 6,874.10, 10,311.69 and 1,943.66

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Solution

The fourth proportional to 6,874.10, 10,311.69 and 1,943.66 is: 2,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.10 : 10,311.69 = 1,943.66 : x
  2. Step 2: Convert to fraction form
    6,874.10/10,311.69 = 1,943.66/x
  3. Step 3: Cross multiply
    6,874.10x = 10,311.69 × 1,943.66
  4. Step 4: Simplify right side
    6,874.10x = 20,042,419.39
  5. Step 5: Solve for x
    x = 20,042,419.39/6,874.10
  6. Step 6: Final answer
    x = 2,915.64

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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.