Home / 11,926.81-17,881.57-6,078.97

Finding the Fourth Proportional to 11,926.81, 17,881.57 and 6,078.97

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Solution

The fourth proportional to 11,926.81, 17,881.57 and 6,078.97 is: 9,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.81 : 17,881.57 = 6,078.97 : x
  2. Step 2: Convert to fraction form
    11,926.81/17,881.57 = 6,078.97/x
  3. Step 3: Cross multiply
    11,926.81x = 17,881.57 × 6,078.97
  4. Step 4: Simplify right side
    11,926.81x = 108,701,527.58
  5. Step 5: Solve for x
    x = 108,701,527.58/11,926.81
  6. Step 6: Final answer
    x = 9,114.05

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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.