Home / 8,006.43-11,024.42-7,255.51

Finding the Fourth Proportional to 8,006.43, 11,024.42 and 7,255.51

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Solution

The fourth proportional to 8,006.43, 11,024.42 and 7,255.51 is: 9,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.43 : 11,024.42 = 7,255.51 : x
  2. Step 2: Convert to fraction form
    8,006.43/11,024.42 = 7,255.51/x
  3. Step 3: Cross multiply
    8,006.43x = 11,024.42 × 7,255.51
  4. Step 4: Simplify right side
    8,006.43x = 79,987,698.15
  5. Step 5: Solve for x
    x = 79,987,698.15/8,006.43
  6. Step 6: Final answer
    x = 9,990.43

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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.