Home / 12,242.06-18,370.35-4,451.48

Finding the Fourth Proportional to 12,242.06, 18,370.35 and 4,451.48

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Solution

The fourth proportional to 12,242.06, 18,370.35 and 4,451.48 is: 6,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.06 : 18,370.35 = 4,451.48 : x
  2. Step 2: Convert to fraction form
    12,242.06/18,370.35 = 4,451.48/x
  3. Step 3: Cross multiply
    12,242.06x = 18,370.35 × 4,451.48
  4. Step 4: Simplify right side
    12,242.06x = 81,775,245.62
  5. Step 5: Solve for x
    x = 81,775,245.62/12,242.06
  6. Step 6: Final answer
    x = 6,679.86

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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.