Home / 11,982.90-16,533.21-6,676.50

Finding the Fourth Proportional to 11,982.90, 16,533.21 and 6,676.50

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Solution

The fourth proportional to 11,982.90, 16,533.21 and 6,676.50 is: 9,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.90 : 16,533.21 = 6,676.50 : x
  2. Step 2: Convert to fraction form
    11,982.90/16,533.21 = 6,676.50/x
  3. Step 3: Cross multiply
    11,982.90x = 16,533.21 × 6,676.50
  4. Step 4: Simplify right side
    11,982.90x = 110,383,976.57
  5. Step 5: Solve for x
    x = 110,383,976.57/11,982.90
  6. Step 6: Final answer
    x = 9,211.79

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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.