Home / 8,113.97-11,199.31-4,579.23

Finding the Fourth Proportional to 8,113.97, 11,199.31 and 4,579.23

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Solution

The fourth proportional to 8,113.97, 11,199.31 and 4,579.23 is: 6,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.97 : 11,199.31 = 4,579.23 : x
  2. Step 2: Convert to fraction form
    8,113.97/11,199.31 = 4,579.23/x
  3. Step 3: Cross multiply
    8,113.97x = 11,199.31 × 4,579.23
  4. Step 4: Simplify right side
    8,113.97x = 51,284,216.33
  5. Step 5: Solve for x
    x = 51,284,216.33/8,113.97
  6. Step 6: Final answer
    x = 6,320.48

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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.