Home / 11,932.21-17,890.08-4,812.04

Finding the Fourth Proportional to 11,932.21, 17,890.08 and 4,812.04

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Solution

The fourth proportional to 11,932.21, 17,890.08 and 4,812.04 is: 7,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.21 : 17,890.08 = 4,812.04 : x
  2. Step 2: Convert to fraction form
    11,932.21/17,890.08 = 4,812.04/x
  3. Step 3: Cross multiply
    11,932.21x = 17,890.08 × 4,812.04
  4. Step 4: Simplify right side
    11,932.21x = 86,087,780.56
  5. Step 5: Solve for x
    x = 86,087,780.56/11,932.21
  6. Step 6: Final answer
    x = 7,214.74

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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.