Home / 12,083.34-18,104.94-8,555.91

Finding the Fourth Proportional to 12,083.34, 18,104.94 and 8,555.91

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Solution

The fourth proportional to 12,083.34, 18,104.94 and 8,555.91 is: 12,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.34 : 18,104.94 = 8,555.91 : x
  2. Step 2: Convert to fraction form
    12,083.34/18,104.94 = 8,555.91/x
  3. Step 3: Cross multiply
    12,083.34x = 18,104.94 × 8,555.91
  4. Step 4: Simplify right side
    12,083.34x = 154,904,237.20
  5. Step 5: Solve for x
    x = 154,904,237.20/12,083.34
  6. Step 6: Final answer
    x = 12,819.65

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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.