Home / 8,932.72-13,400.36-3,087.96

Finding the Fourth Proportional to 8,932.72, 13,400.36 and 3,087.96

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Solution

The fourth proportional to 8,932.72, 13,400.36 and 3,087.96 is: 4,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.72 : 13,400.36 = 3,087.96 : x
  2. Step 2: Convert to fraction form
    8,932.72/13,400.36 = 3,087.96/x
  3. Step 3: Cross multiply
    8,932.72x = 13,400.36 × 3,087.96
  4. Step 4: Simplify right side
    8,932.72x = 41,379,775.67
  5. Step 5: Solve for x
    x = 41,379,775.67/8,932.72
  6. Step 6: Final answer
    x = 4,632.38

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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.