Home / 7,786.94-10,751.54-4,806.81

Finding the Fourth Proportional to 7,786.94, 10,751.54 and 4,806.81

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Solution

The fourth proportional to 7,786.94, 10,751.54 and 4,806.81 is: 6,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.94 : 10,751.54 = 4,806.81 : x
  2. Step 2: Convert to fraction form
    7,786.94/10,751.54 = 4,806.81/x
  3. Step 3: Cross multiply
    7,786.94x = 10,751.54 × 4,806.81
  4. Step 4: Simplify right side
    7,786.94x = 51,680,585.95
  5. Step 5: Solve for x
    x = 51,680,585.95/7,786.94
  6. Step 6: Final answer
    x = 6,636.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.