Home / 12,106.46-18,166.61-4,709.96

Finding the Fourth Proportional to 12,106.46, 18,166.61 and 4,709.96

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Solution

The fourth proportional to 12,106.46, 18,166.61 and 4,709.96 is: 7,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.46 : 18,166.61 = 4,709.96 : x
  2. Step 2: Convert to fraction form
    12,106.46/18,166.61 = 4,709.96/x
  3. Step 3: Cross multiply
    12,106.46x = 18,166.61 × 4,709.96
  4. Step 4: Simplify right side
    12,106.46x = 85,564,063.63
  5. Step 5: Solve for x
    x = 85,564,063.63/12,106.46
  6. Step 6: Final answer
    x = 7,067.64

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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.