Home / 10,685.21-16,029.33-3,290.27

Finding the Fourth Proportional to 10,685.21, 16,029.33 and 3,290.27

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Solution

The fourth proportional to 10,685.21, 16,029.33 and 3,290.27 is: 4,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.21 : 16,029.33 = 3,290.27 : x
  2. Step 2: Convert to fraction form
    10,685.21/16,029.33 = 3,290.27/x
  3. Step 3: Cross multiply
    10,685.21x = 16,029.33 × 3,290.27
  4. Step 4: Simplify right side
    10,685.21x = 52,740,823.62
  5. Step 5: Solve for x
    x = 52,740,823.62/10,685.21
  6. Step 6: Final answer
    x = 4,935.87

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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.