Home / 7,819.76-11,725.32-2,624.24

Finding the Fourth Proportional to 7,819.76, 11,725.32 and 2,624.24

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Solution

The fourth proportional to 7,819.76, 11,725.32 and 2,624.24 is: 3,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.76 : 11,725.32 = 2,624.24 : x
  2. Step 2: Convert to fraction form
    7,819.76/11,725.32 = 2,624.24/x
  3. Step 3: Cross multiply
    7,819.76x = 11,725.32 × 2,624.24
  4. Step 4: Simplify right side
    7,819.76x = 30,770,053.76
  5. Step 5: Solve for x
    x = 30,770,053.76/7,819.76
  6. Step 6: Final answer
    x = 3,934.91

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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.