Home / 7,827.84-11,738.52-2,634.12

Finding the Fourth Proportional to 7,827.84, 11,738.52 and 2,634.12

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Solution

The fourth proportional to 7,827.84, 11,738.52 and 2,634.12 is: 3,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.84 : 11,738.52 = 2,634.12 : x
  2. Step 2: Convert to fraction form
    7,827.84/11,738.52 = 2,634.12/x
  3. Step 3: Cross multiply
    7,827.84x = 11,738.52 × 2,634.12
  4. Step 4: Simplify right side
    7,827.84x = 30,920,670.30
  5. Step 5: Solve for x
    x = 30,920,670.30/7,827.84
  6. Step 6: Final answer
    x = 3,950.09

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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.