Home / 11,926.26-16,458.41-6,621.41

Finding the Fourth Proportional to 11,926.26, 16,458.41 and 6,621.41

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Solution

The fourth proportional to 11,926.26, 16,458.41 and 6,621.41 is: 9,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.26 : 16,458.41 = 6,621.41 : x
  2. Step 2: Convert to fraction form
    11,926.26/16,458.41 = 6,621.41/x
  3. Step 3: Cross multiply
    11,926.26x = 16,458.41 × 6,621.41
  4. Step 4: Simplify right side
    11,926.26x = 108,977,938.26
  5. Step 5: Solve for x
    x = 108,977,938.26/11,926.26
  6. Step 6: Final answer
    x = 9,137.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.