Home / 11,660.56-16,091.90-6,624.46

Finding the Fourth Proportional to 11,660.56, 16,091.90 and 6,624.46

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Solution

The fourth proportional to 11,660.56, 16,091.90 and 6,624.46 is: 9,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.56 : 16,091.90 = 6,624.46 : x
  2. Step 2: Convert to fraction form
    11,660.56/16,091.90 = 6,624.46/x
  3. Step 3: Cross multiply
    11,660.56x = 16,091.90 × 6,624.46
  4. Step 4: Simplify right side
    11,660.56x = 106,600,147.87
  5. Step 5: Solve for x
    x = 106,600,147.87/11,660.56
  6. Step 6: Final answer
    x = 9,141.94

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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.