Home / 11,982.45-16,535.77-6,604.71

Finding the Fourth Proportional to 11,982.45, 16,535.77 and 6,604.71

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Solution

The fourth proportional to 11,982.45, 16,535.77 and 6,604.71 is: 9,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.45 : 16,535.77 = 6,604.71 : x
  2. Step 2: Convert to fraction form
    11,982.45/16,535.77 = 6,604.71/x
  3. Step 3: Cross multiply
    11,982.45x = 16,535.77 × 6,604.71
  4. Step 4: Simplify right side
    11,982.45x = 109,213,965.48
  5. Step 5: Solve for x
    x = 109,213,965.48/11,982.45
  6. Step 6: Final answer
    x = 9,114.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.