Home / 7,500.23-11,255.90-2,824.83

Finding the Fourth Proportional to 7,500.23, 11,255.90 and 2,824.83

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Solution

The fourth proportional to 7,500.23, 11,255.90 and 2,824.83 is: 4,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.23 : 11,255.90 = 2,824.83 : x
  2. Step 2: Convert to fraction form
    7,500.23/11,255.90 = 2,824.83/x
  3. Step 3: Cross multiply
    7,500.23x = 11,255.90 × 2,824.83
  4. Step 4: Simplify right side
    7,500.23x = 31,795,989.87
  5. Step 5: Solve for x
    x = 31,795,989.87/7,500.23
  6. Step 6: Final answer
    x = 4,239.34

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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.