Home / 12,170.06-18,247.25-4,775.27

Finding the Fourth Proportional to 12,170.06, 18,247.25 and 4,775.27

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Solution

The fourth proportional to 12,170.06, 18,247.25 and 4,775.27 is: 7,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.06 : 18,247.25 = 4,775.27 : x
  2. Step 2: Convert to fraction form
    12,170.06/18,247.25 = 4,775.27/x
  3. Step 3: Cross multiply
    12,170.06x = 18,247.25 × 4,775.27
  4. Step 4: Simplify right side
    12,170.06x = 87,135,555.42
  5. Step 5: Solve for x
    x = 87,135,555.42/12,170.06
  6. Step 6: Final answer
    x = 7,159.83

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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.