Home / 10,621.42-15,932.67-4,046.38

Finding the Fourth Proportional to 10,621.42, 15,932.67 and 4,046.38

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Solution

The fourth proportional to 10,621.42, 15,932.67 and 4,046.38 is: 6,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.42 : 15,932.67 = 4,046.38 : x
  2. Step 2: Convert to fraction form
    10,621.42/15,932.67 = 4,046.38/x
  3. Step 3: Cross multiply
    10,621.42x = 15,932.67 × 4,046.38
  4. Step 4: Simplify right side
    10,621.42x = 64,469,637.23
  5. Step 5: Solve for x
    x = 64,469,637.23/10,621.42
  6. Step 6: Final answer
    x = 6,069.78

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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.