Home / 8,325.09-12,488.85-2,481.75

Finding the Fourth Proportional to 8,325.09, 12,488.85 and 2,481.75

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Solution

The fourth proportional to 8,325.09, 12,488.85 and 2,481.75 is: 3,722.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.09 : 12,488.85 = 2,481.75 : x
  2. Step 2: Convert to fraction form
    8,325.09/12,488.85 = 2,481.75/x
  3. Step 3: Cross multiply
    8,325.09x = 12,488.85 × 2,481.75
  4. Step 4: Simplify right side
    8,325.09x = 30,994,203.49
  5. Step 5: Solve for x
    x = 30,994,203.49/8,325.09
  6. Step 6: Final answer
    x = 3,722.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.