Home / 7,814.72-11,721.74-2,267.94

Finding the Fourth Proportional to 7,814.72, 11,721.74 and 2,267.94

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Solution

The fourth proportional to 7,814.72, 11,721.74 and 2,267.94 is: 3,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.72 : 11,721.74 = 2,267.94 : x
  2. Step 2: Convert to fraction form
    7,814.72/11,721.74 = 2,267.94/x
  3. Step 3: Cross multiply
    7,814.72x = 11,721.74 × 2,267.94
  4. Step 4: Simplify right side
    7,814.72x = 26,584,203.02
  5. Step 5: Solve for x
    x = 26,584,203.02/7,814.72
  6. Step 6: Final answer
    x = 3,401.81

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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.