Home / 11,261.84-15,540.06-6,224.79

Finding the Fourth Proportional to 11,261.84, 15,540.06 and 6,224.79

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Solution

The fourth proportional to 11,261.84, 15,540.06 and 6,224.79 is: 8,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.84 : 15,540.06 = 6,224.79 : x
  2. Step 2: Convert to fraction form
    11,261.84/15,540.06 = 6,224.79/x
  3. Step 3: Cross multiply
    11,261.84x = 15,540.06 × 6,224.79
  4. Step 4: Simplify right side
    11,261.84x = 96,733,610.09
  5. Step 5: Solve for x
    x = 96,733,610.09/11,261.84
  6. Step 6: Final answer
    x = 8,589.51

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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.