Home / 7,382.46-11,072.66-2,117.92

Finding the Fourth Proportional to 7,382.46, 11,072.66 and 2,117.92

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Solution

The fourth proportional to 7,382.46, 11,072.66 and 2,117.92 is: 3,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.46 : 11,072.66 = 2,117.92 : x
  2. Step 2: Convert to fraction form
    7,382.46/11,072.66 = 2,117.92/x
  3. Step 3: Cross multiply
    7,382.46x = 11,072.66 × 2,117.92
  4. Step 4: Simplify right side
    7,382.46x = 23,451,008.07
  5. Step 5: Solve for x
    x = 23,451,008.07/7,382.46
  6. Step 6: Final answer
    x = 3,176.58

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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.