Home / 8,006.11-11,990.70-5,542.66

Finding the Fourth Proportional to 8,006.11, 11,990.70 and 5,542.66

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Solution

The fourth proportional to 8,006.11, 11,990.70 and 5,542.66 is: 8,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.11 : 11,990.70 = 5,542.66 : x
  2. Step 2: Convert to fraction form
    8,006.11/11,990.70 = 5,542.66/x
  3. Step 3: Cross multiply
    8,006.11x = 11,990.70 × 5,542.66
  4. Step 4: Simplify right side
    8,006.11x = 66,460,388.25
  5. Step 5: Solve for x
    x = 66,460,388.25/8,006.11
  6. Step 6: Final answer
    x = 8,301.21

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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.