Home / 12,025.65-16,589.55-8,481.09

Finding the Fourth Proportional to 12,025.65, 16,589.55 and 8,481.09

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Solution

The fourth proportional to 12,025.65, 16,589.55 and 8,481.09 is: 11,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.65 : 16,589.55 = 8,481.09 : x
  2. Step 2: Convert to fraction form
    12,025.65/16,589.55 = 8,481.09/x
  3. Step 3: Cross multiply
    12,025.65x = 16,589.55 × 8,481.09
  4. Step 4: Simplify right side
    12,025.65x = 140,697,466.61
  5. Step 5: Solve for x
    x = 140,697,466.61/12,025.65
  6. Step 6: Final answer
    x = 11,699.78

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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.