Home / 11,989.21-17,983.98-4,594.04

Finding the Fourth Proportional to 11,989.21, 17,983.98 and 4,594.04

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Solution

The fourth proportional to 11,989.21, 17,983.98 and 4,594.04 is: 6,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.21 : 17,983.98 = 4,594.04 : x
  2. Step 2: Convert to fraction form
    11,989.21/17,983.98 = 4,594.04/x
  3. Step 3: Cross multiply
    11,989.21x = 17,983.98 × 4,594.04
  4. Step 4: Simplify right side
    11,989.21x = 82,619,123.48
  5. Step 5: Solve for x
    x = 82,619,123.48/11,989.21
  6. Step 6: Final answer
    x = 6,891.13

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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.