Home / 11,007.09-15,188.31-6,227.69

Finding the Fourth Proportional to 11,007.09, 15,188.31 and 6,227.69

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Solution

The fourth proportional to 11,007.09, 15,188.31 and 6,227.69 is: 8,593.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.09 : 15,188.31 = 6,227.69 : x
  2. Step 2: Convert to fraction form
    11,007.09/15,188.31 = 6,227.69/x
  3. Step 3: Cross multiply
    11,007.09x = 15,188.31 × 6,227.69
  4. Step 4: Simplify right side
    11,007.09x = 94,588,010.36
  5. Step 5: Solve for x
    x = 94,588,010.36/11,007.09
  6. Step 6: Final answer
    x = 8,593.37

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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.