Home / 10,163.88-15,235.29-5,222.52

Finding the Fourth Proportional to 10,163.88, 15,235.29 and 5,222.52

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Solution

The fourth proportional to 10,163.88, 15,235.29 and 5,222.52 is: 7,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.88 : 15,235.29 = 5,222.52 : x
  2. Step 2: Convert to fraction form
    10,163.88/15,235.29 = 5,222.52/x
  3. Step 3: Cross multiply
    10,163.88x = 15,235.29 × 5,222.52
  4. Step 4: Simplify right side
    10,163.88x = 79,566,606.73
  5. Step 5: Solve for x
    x = 79,566,606.73/10,163.88
  6. Step 6: Final answer
    x = 7,828.37

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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.