Home / 12,051.16-18,076.20-3,286.07

Finding the Fourth Proportional to 12,051.16, 18,076.20 and 3,286.07

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Solution

The fourth proportional to 12,051.16, 18,076.20 and 3,286.07 is: 4,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.16 : 18,076.20 = 3,286.07 : x
  2. Step 2: Convert to fraction form
    12,051.16/18,076.20 = 3,286.07/x
  3. Step 3: Cross multiply
    12,051.16x = 18,076.20 × 3,286.07
  4. Step 4: Simplify right side
    12,051.16x = 59,399,658.53
  5. Step 5: Solve for x
    x = 59,399,658.53/12,051.16
  6. Step 6: Final answer
    x = 4,928.96

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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.