Home / 11,057.18-15,258.45-6,021.39

Finding the Fourth Proportional to 11,057.18, 15,258.45 and 6,021.39

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Solution

The fourth proportional to 11,057.18, 15,258.45 and 6,021.39 is: 8,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.18 : 15,258.45 = 6,021.39 : x
  2. Step 2: Convert to fraction form
    11,057.18/15,258.45 = 6,021.39/x
  3. Step 3: Cross multiply
    11,057.18x = 15,258.45 × 6,021.39
  4. Step 4: Simplify right side
    11,057.18x = 91,876,971.85
  5. Step 5: Solve for x
    x = 91,876,971.85/11,057.18
  6. Step 6: Final answer
    x = 8,309.26

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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.