Home / 11,260.82-15,540.28-6,225.20

Finding the Fourth Proportional to 11,260.82, 15,540.28 and 6,225.20

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Solution

The fourth proportional to 11,260.82, 15,540.28 and 6,225.20 is: 8,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.82 : 15,540.28 = 6,225.20 : x
  2. Step 2: Convert to fraction form
    11,260.82/15,540.28 = 6,225.20/x
  3. Step 3: Cross multiply
    11,260.82x = 15,540.28 × 6,225.20
  4. Step 4: Simplify right side
    11,260.82x = 96,741,257.79
  5. Step 5: Solve for x
    x = 96,741,257.79/11,260.82
  6. Step 6: Final answer
    x = 8,590.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.