Home / 8,103.88-11,183.48-4,748.68

Finding the Fourth Proportional to 8,103.88, 11,183.48 and 4,748.68

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Solution

The fourth proportional to 8,103.88, 11,183.48 and 4,748.68 is: 6,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.88 : 11,183.48 = 4,748.68 : x
  2. Step 2: Convert to fraction form
    8,103.88/11,183.48 = 4,748.68/x
  3. Step 3: Cross multiply
    8,103.88x = 11,183.48 × 4,748.68
  4. Step 4: Simplify right side
    8,103.88x = 53,106,767.81
  5. Step 5: Solve for x
    x = 53,106,767.81/8,103.88
  6. Step 6: Final answer
    x = 6,553.25

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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.