Home / 10,500.25-15,752-3,927.37

Finding the Fourth Proportional to 10,500.25, 15,752 and 3,927.37

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Solution

The fourth proportional to 10,500.25, 15,752 and 3,927.37 is: 5,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.25 : 15,752 = 3,927.37 : x
  2. Step 2: Convert to fraction form
    10,500.25/15,752 = 3,927.37/x
  3. Step 3: Cross multiply
    10,500.25x = 15,752 × 3,927.37
  4. Step 4: Simplify right side
    10,500.25x = 61,863,932.24
  5. Step 5: Solve for x
    x = 61,863,932.24/10,500.25
  6. Step 6: Final answer
    x = 5,891.66

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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.