Home / 8,187.57-11,299.20-4,651.11

Finding the Fourth Proportional to 8,187.57, 11,299.20 and 4,651.11

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Solution

The fourth proportional to 8,187.57, 11,299.20 and 4,651.11 is: 6,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.57 : 11,299.20 = 4,651.11 : x
  2. Step 2: Convert to fraction form
    8,187.57/11,299.20 = 4,651.11/x
  3. Step 3: Cross multiply
    8,187.57x = 11,299.20 × 4,651.11
  4. Step 4: Simplify right side
    8,187.57x = 52,553,822.11
  5. Step 5: Solve for x
    x = 52,553,822.11/8,187.57
  6. Step 6: Final answer
    x = 6,418.73

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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.