Home / 7,895.07-11,847.87-2,968.65

Finding the Fourth Proportional to 7,895.07, 11,847.87 and 2,968.65

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Solution

The fourth proportional to 7,895.07, 11,847.87 and 2,968.65 is: 4,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.07 : 11,847.87 = 2,968.65 : x
  2. Step 2: Convert to fraction form
    7,895.07/11,847.87 = 2,968.65/x
  3. Step 3: Cross multiply
    7,895.07x = 11,847.87 × 2,968.65
  4. Step 4: Simplify right side
    7,895.07x = 35,172,179.28
  5. Step 5: Solve for x
    x = 35,172,179.28/7,895.07
  6. Step 6: Final answer
    x = 4,454.95

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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.