Home / 12,066.98-18,102.54-4,167.38

Finding the Fourth Proportional to 12,066.98, 18,102.54 and 4,167.38

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Solution

The fourth proportional to 12,066.98, 18,102.54 and 4,167.38 is: 6,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.98 : 18,102.54 = 4,167.38 : x
  2. Step 2: Convert to fraction form
    12,066.98/18,102.54 = 4,167.38/x
  3. Step 3: Cross multiply
    12,066.98x = 18,102.54 × 4,167.38
  4. Step 4: Simplify right side
    12,066.98x = 75,440,163.15
  5. Step 5: Solve for x
    x = 75,440,163.15/12,066.98
  6. Step 6: Final answer
    x = 6,251.78

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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.