Home / 12,057.58-18,079.26-4,157.38

Finding the Fourth Proportional to 12,057.58, 18,079.26 and 4,157.38

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Solution

The fourth proportional to 12,057.58, 18,079.26 and 4,157.38 is: 6,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.58 : 18,079.26 = 4,157.38 : x
  2. Step 2: Convert to fraction form
    12,057.58/18,079.26 = 4,157.38/x
  3. Step 3: Cross multiply
    12,057.58x = 18,079.26 × 4,157.38
  4. Step 4: Simplify right side
    12,057.58x = 75,162,353.94
  5. Step 5: Solve for x
    x = 75,162,353.94/12,057.58
  6. Step 6: Final answer
    x = 6,233.62

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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.