Home / 8,370.36-11,606.31-8,092.80

Finding the Fourth Proportional to 8,370.36, 11,606.31 and 8,092.80

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Solution

The fourth proportional to 8,370.36, 11,606.31 and 8,092.80 is: 11,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.36 : 11,606.31 = 8,092.80 : x
  2. Step 2: Convert to fraction form
    8,370.36/11,606.31 = 8,092.80/x
  3. Step 3: Cross multiply
    8,370.36x = 11,606.31 × 8,092.80
  4. Step 4: Simplify right side
    8,370.36x = 93,927,545.57
  5. Step 5: Solve for x
    x = 93,927,545.57/8,370.36
  6. Step 6: Final answer
    x = 11,221.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.