Home / 11,621.07-16,044.41-7,648.83

Finding the Fourth Proportional to 11,621.07, 16,044.41 and 7,648.83

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Solution

The fourth proportional to 11,621.07, 16,044.41 and 7,648.83 is: 10,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.07 : 16,044.41 = 7,648.83 : x
  2. Step 2: Convert to fraction form
    11,621.07/16,044.41 = 7,648.83/x
  3. Step 3: Cross multiply
    11,621.07x = 16,044.41 × 7,648.83
  4. Step 4: Simplify right side
    11,621.07x = 122,720,983.66
  5. Step 5: Solve for x
    x = 122,720,983.66/11,621.07
  6. Step 6: Final answer
    x = 10,560.21

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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.