Home / 11,717.40-17,578.67-3,926.01

Finding the Fourth Proportional to 11,717.40, 17,578.67 and 3,926.01

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Solution

The fourth proportional to 11,717.40, 17,578.67 and 3,926.01 is: 5,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.40 : 17,578.67 = 3,926.01 : x
  2. Step 2: Convert to fraction form
    11,717.40/17,578.67 = 3,926.01/x
  3. Step 3: Cross multiply
    11,717.40x = 17,578.67 × 3,926.01
  4. Step 4: Simplify right side
    11,717.40x = 69,014,014.58
  5. Step 5: Solve for x
    x = 69,014,014.58/11,717.40
  6. Step 6: Final answer
    x = 5,889.87

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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.