Home / 11,789.15-17,683.47-5,545.70

Finding the Fourth Proportional to 11,789.15, 17,683.47 and 5,545.70

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Solution

The fourth proportional to 11,789.15, 17,683.47 and 5,545.70 is: 8,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.15 : 17,683.47 = 5,545.70 : x
  2. Step 2: Convert to fraction form
    11,789.15/17,683.47 = 5,545.70/x
  3. Step 3: Cross multiply
    11,789.15x = 17,683.47 × 5,545.70
  4. Step 4: Simplify right side
    11,789.15x = 98,067,263.79
  5. Step 5: Solve for x
    x = 98,067,263.79/11,789.15
  6. Step 6: Final answer
    x = 8,318.43

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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.