Home / 11,076.72-16,615.14-3,285.60

Finding the Fourth Proportional to 11,076.72, 16,615.14 and 3,285.60

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Solution

The fourth proportional to 11,076.72, 16,615.14 and 3,285.60 is: 4,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.72 : 16,615.14 = 3,285.60 : x
  2. Step 2: Convert to fraction form
    11,076.72/16,615.14 = 3,285.60/x
  3. Step 3: Cross multiply
    11,076.72x = 16,615.14 × 3,285.60
  4. Step 4: Simplify right side
    11,076.72x = 54,590,703.98
  5. Step 5: Solve for x
    x = 54,590,703.98/11,076.72
  6. Step 6: Final answer
    x = 4,928.42

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1.5x scale

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.