Home / 11,982.24-16,533.60-6,676.80

Finding the Fourth Proportional to 11,982.24, 16,533.60 and 6,676.80

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Solution

The fourth proportional to 11,982.24, 16,533.60 and 6,676.80 is: 9,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.24 : 16,533.60 = 6,676.80 : x
  2. Step 2: Convert to fraction form
    11,982.24/16,533.60 = 6,676.80/x
  3. Step 3: Cross multiply
    11,982.24x = 16,533.60 × 6,676.80
  4. Step 4: Simplify right side
    11,982.24x = 110,391,540.48
  5. Step 5: Solve for x
    x = 110,391,540.48/11,982.24
  6. Step 6: Final answer
    x = 9,212.93

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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.