Home / 7,766.76-11,642.61-3,085.23

Finding the Fourth Proportional to 7,766.76, 11,642.61 and 3,085.23

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Solution

The fourth proportional to 7,766.76, 11,642.61 and 3,085.23 is: 4,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.76 : 11,642.61 = 3,085.23 : x
  2. Step 2: Convert to fraction form
    7,766.76/11,642.61 = 3,085.23/x
  3. Step 3: Cross multiply
    7,766.76x = 11,642.61 × 3,085.23
  4. Step 4: Simplify right side
    7,766.76x = 35,920,129.65
  5. Step 5: Solve for x
    x = 35,920,129.65/7,766.76
  6. Step 6: Final answer
    x = 4,624.85

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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.