Home / 12,049.12-18,074.90-4,150.60

Finding the Fourth Proportional to 12,049.12, 18,074.90 and 4,150.60

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Solution

The fourth proportional to 12,049.12, 18,074.90 and 4,150.60 is: 6,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.12 : 18,074.90 = 4,150.60 : x
  2. Step 2: Convert to fraction form
    12,049.12/18,074.90 = 4,150.60/x
  3. Step 3: Cross multiply
    12,049.12x = 18,074.90 × 4,150.60
  4. Step 4: Simplify right side
    12,049.12x = 75,021,704.81
  5. Step 5: Solve for x
    x = 75,021,704.81/12,049.12
  6. Step 6: Final answer
    x = 6,226.32

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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.