Home / 8,545.50-11,791.37-5,708.32

Finding the Fourth Proportional to 8,545.50, 11,791.37 and 5,708.32

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Solution

The fourth proportional to 8,545.50, 11,791.37 and 5,708.32 is: 7,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.50 : 11,791.37 = 5,708.32 : x
  2. Step 2: Convert to fraction form
    8,545.50/11,791.37 = 5,708.32/x
  3. Step 3: Cross multiply
    8,545.50x = 11,791.37 × 5,708.32
  4. Step 4: Simplify right side
    8,545.50x = 67,308,869.45
  5. Step 5: Solve for x
    x = 67,308,869.45/8,545.50
  6. Step 6: Final answer
    x = 7,876.53

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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.