Home / 10,806.15-16,216.52-4,231.52

Finding the Fourth Proportional to 10,806.15, 16,216.52 and 4,231.52

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Solution

The fourth proportional to 10,806.15, 16,216.52 and 4,231.52 is: 6,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.15 : 16,216.52 = 4,231.52 : x
  2. Step 2: Convert to fraction form
    10,806.15/16,216.52 = 4,231.52/x
  3. Step 3: Cross multiply
    10,806.15x = 16,216.52 × 4,231.52
  4. Step 4: Simplify right side
    10,806.15x = 68,620,447.63
  5. Step 5: Solve for x
    x = 68,620,447.63/10,806.15
  6. Step 6: Final answer
    x = 6,350.13

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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.