Home / 11,261.90-15,540.75-6,225.82

Finding the Fourth Proportional to 11,261.90, 15,540.75 and 6,225.82

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Solution

The fourth proportional to 11,261.90, 15,540.75 and 6,225.82 is: 8,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.90 : 15,540.75 = 6,225.82 : x
  2. Step 2: Convert to fraction form
    11,261.90/15,540.75 = 6,225.82/x
  3. Step 3: Cross multiply
    11,261.90x = 15,540.75 × 6,225.82
  4. Step 4: Simplify right side
    11,261.90x = 96,753,912.17
  5. Step 5: Solve for x
    x = 96,753,912.17/11,261.90
  6. Step 6: Final answer
    x = 8,591.26

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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.