Home / 11,521.83-17,285.27-3,731.43

Finding the Fourth Proportional to 11,521.83, 17,285.27 and 3,731.43

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Solution

The fourth proportional to 11,521.83, 17,285.27 and 3,731.43 is: 5,597.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.83 : 17,285.27 = 3,731.43 : x
  2. Step 2: Convert to fraction form
    11,521.83/17,285.27 = 3,731.43/x
  3. Step 3: Cross multiply
    11,521.83x = 17,285.27 × 3,731.43
  4. Step 4: Simplify right side
    11,521.83x = 64,498,756.38
  5. Step 5: Solve for x
    x = 64,498,756.38/11,521.83
  6. Step 6: Final answer
    x = 5,597.96

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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.