Home / 8,078.94-11,149.47-5,053.59

Finding the Fourth Proportional to 8,078.94, 11,149.47 and 5,053.59

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Solution

The fourth proportional to 8,078.94, 11,149.47 and 5,053.59 is: 6,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.94 : 11,149.47 = 5,053.59 : x
  2. Step 2: Convert to fraction form
    8,078.94/11,149.47 = 5,053.59/x
  3. Step 3: Cross multiply
    8,078.94x = 11,149.47 × 5,053.59
  4. Step 4: Simplify right side
    8,078.94x = 56,344,850.10
  5. Step 5: Solve for x
    x = 56,344,850.10/8,078.94
  6. Step 6: Final answer
    x = 6,974.29

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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.