Home / 11,326.73-16,990.04-3,931.16

Finding the Fourth Proportional to 11,326.73, 16,990.04 and 3,931.16

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Solution

The fourth proportional to 11,326.73, 16,990.04 and 3,931.16 is: 5,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.73 : 16,990.04 = 3,931.16 : x
  2. Step 2: Convert to fraction form
    11,326.73/16,990.04 = 3,931.16/x
  3. Step 3: Cross multiply
    11,326.73x = 16,990.04 × 3,931.16
  4. Step 4: Simplify right side
    11,326.73x = 66,790,461.04
  5. Step 5: Solve for x
    x = 66,790,461.04/11,326.73
  6. Step 6: Final answer
    x = 5,896.71

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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.