Home / 10,381.01-15,578.99-4,137.41

Finding the Fourth Proportional to 10,381.01, 15,578.99 and 4,137.41

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Solution

The fourth proportional to 10,381.01, 15,578.99 and 4,137.41 is: 6,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.01 : 15,578.99 = 4,137.41 : x
  2. Step 2: Convert to fraction form
    10,381.01/15,578.99 = 4,137.41/x
  3. Step 3: Cross multiply
    10,381.01x = 15,578.99 × 4,137.41
  4. Step 4: Simplify right side
    10,381.01x = 64,456,570.43
  5. Step 5: Solve for x
    x = 64,456,570.43/10,381.01
  6. Step 6: Final answer
    x = 6,209.09

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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.