Home / 11,789.56-17,684.34-5,545.69

Finding the Fourth Proportional to 11,789.56, 17,684.34 and 5,545.69

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Solution

The fourth proportional to 11,789.56, 17,684.34 and 5,545.69 is: 8,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.56 : 17,684.34 = 5,545.69 : x
  2. Step 2: Convert to fraction form
    11,789.56/17,684.34 = 5,545.69/x
  3. Step 3: Cross multiply
    11,789.56x = 17,684.34 × 5,545.69
  4. Step 4: Simplify right side
    11,789.56x = 98,071,867.49
  5. Step 5: Solve for x
    x = 98,071,867.49/11,789.56
  6. Step 6: Final answer
    x = 8,318.54

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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.