Home / 10,821.77-16,233.27-3,031.19

Finding the Fourth Proportional to 10,821.77, 16,233.27 and 3,031.19

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Solution

The fourth proportional to 10,821.77, 16,233.27 and 3,031.19 is: 4,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.77 : 16,233.27 = 3,031.19 : x
  2. Step 2: Convert to fraction form
    10,821.77/16,233.27 = 3,031.19/x
  3. Step 3: Cross multiply
    10,821.77x = 16,233.27 × 3,031.19
  4. Step 4: Simplify right side
    10,821.77x = 49,206,029.37
  5. Step 5: Solve for x
    x = 49,206,029.37/10,821.77
  6. Step 6: Final answer
    x = 4,546.95

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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.