Home / 10,231.87-15,347.75-2,633.15

Finding the Fourth Proportional to 10,231.87, 15,347.75 and 2,633.15

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Solution

The fourth proportional to 10,231.87, 15,347.75 and 2,633.15 is: 3,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.87 : 15,347.75 = 2,633.15 : x
  2. Step 2: Convert to fraction form
    10,231.87/15,347.75 = 2,633.15/x
  3. Step 3: Cross multiply
    10,231.87x = 15,347.75 × 2,633.15
  4. Step 4: Simplify right side
    10,231.87x = 40,412,927.91
  5. Step 5: Solve for x
    x = 40,412,927.91/10,231.87
  6. Step 6: Final answer
    x = 3,949.71

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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.