Home / 7,932.21-11,897.36-2,089.28

Finding the Fourth Proportional to 7,932.21, 11,897.36 and 2,089.28

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Solution

The fourth proportional to 7,932.21, 11,897.36 and 2,089.28 is: 3,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.21 : 11,897.36 = 2,089.28 : x
  2. Step 2: Convert to fraction form
    7,932.21/11,897.36 = 2,089.28/x
  3. Step 3: Cross multiply
    7,932.21x = 11,897.36 × 2,089.28
  4. Step 4: Simplify right side
    7,932.21x = 24,856,846.37
  5. Step 5: Solve for x
    x = 24,856,846.37/7,932.21
  6. Step 6: Final answer
    x = 3,133.66

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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.