Home / 8,229.35-11,356.51-4,645.07

Finding the Fourth Proportional to 8,229.35, 11,356.51 and 4,645.07

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Solution

The fourth proportional to 8,229.35, 11,356.51 and 4,645.07 is: 6,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.35 : 11,356.51 = 4,645.07 : x
  2. Step 2: Convert to fraction form
    8,229.35/11,356.51 = 4,645.07/x
  3. Step 3: Cross multiply
    8,229.35x = 11,356.51 × 4,645.07
  4. Step 4: Simplify right side
    8,229.35x = 52,751,800.68
  5. Step 5: Solve for x
    x = 52,751,800.68/8,229.35
  6. Step 6: Final answer
    x = 6,410.21

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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.