Home / 7,634.14-11,472.72-4,515.61

Finding the Fourth Proportional to 7,634.14, 11,472.72 and 4,515.61

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Solution

The fourth proportional to 7,634.14, 11,472.72 and 4,515.61 is: 6,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.14 : 11,472.72 = 4,515.61 : x
  2. Step 2: Convert to fraction form
    7,634.14/11,472.72 = 4,515.61/x
  3. Step 3: Cross multiply
    7,634.14x = 11,472.72 × 4,515.61
  4. Step 4: Simplify right side
    7,634.14x = 51,806,329.16
  5. Step 5: Solve for x
    x = 51,806,329.16/7,634.14
  6. Step 6: Final answer
    x = 6,786.14

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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.