Home / 12,051.46-18,078.91-3,732.22

Finding the Fourth Proportional to 12,051.46, 18,078.91 and 3,732.22

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Solution

The fourth proportional to 12,051.46, 18,078.91 and 3,732.22 is: 5,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.46 : 18,078.91 = 3,732.22 : x
  2. Step 2: Convert to fraction form
    12,051.46/18,078.91 = 3,732.22/x
  3. Step 3: Cross multiply
    12,051.46x = 18,078.91 × 3,732.22
  4. Step 4: Simplify right side
    12,051.46x = 67,474,414.95
  5. Step 5: Solve for x
    x = 67,474,414.95/12,051.46
  6. Step 6: Final answer
    x = 5,598.86

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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.