Home / 11,981.49-16,533.97-6,676.17

Finding the Fourth Proportional to 11,981.49, 16,533.97 and 6,676.17

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Solution

The fourth proportional to 11,981.49, 16,533.97 and 6,676.17 is: 9,212.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.49 : 16,533.97 = 6,676.17 : x
  2. Step 2: Convert to fraction form
    11,981.49/16,533.97 = 6,676.17/x
  3. Step 3: Cross multiply
    11,981.49x = 16,533.97 × 6,676.17
  4. Step 4: Simplify right side
    11,981.49x = 110,383,594.49
  5. Step 5: Solve for x
    x = 110,383,594.49/11,981.49
  6. Step 6: Final answer
    x = 9,212.84

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1.5x scale

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.