Home / 8,542.29-11,788.46-4,765.78

Finding the Fourth Proportional to 8,542.29, 11,788.46 and 4,765.78

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Solution

The fourth proportional to 8,542.29, 11,788.46 and 4,765.78 is: 6,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.29 : 11,788.46 = 4,765.78 : x
  2. Step 2: Convert to fraction form
    8,542.29/11,788.46 = 4,765.78/x
  3. Step 3: Cross multiply
    8,542.29x = 11,788.46 × 4,765.78
  4. Step 4: Simplify right side
    8,542.29x = 56,181,183.07
  5. Step 5: Solve for x
    x = 56,181,183.07/8,542.29
  6. Step 6: Final answer
    x = 6,576.83

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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.