Home / 11,243.09-15,515.16-6,207.22

Finding the Fourth Proportional to 11,243.09, 15,515.16 and 6,207.22

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Solution

The fourth proportional to 11,243.09, 15,515.16 and 6,207.22 is: 8,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.09 : 15,515.16 = 6,207.22 : x
  2. Step 2: Convert to fraction form
    11,243.09/15,515.16 = 6,207.22/x
  3. Step 3: Cross multiply
    11,243.09x = 15,515.16 × 6,207.22
  4. Step 4: Simplify right side
    11,243.09x = 96,305,978.48
  5. Step 5: Solve for x
    x = 96,305,978.48/11,243.09
  6. Step 6: Final answer
    x = 8,565.79

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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.