Home / 11,004.28-15,185.80-5,968.61

Finding the Fourth Proportional to 11,004.28, 15,185.80 and 5,968.61

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Solution

The fourth proportional to 11,004.28, 15,185.80 and 5,968.61 is: 8,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.28 : 15,185.80 = 5,968.61 : x
  2. Step 2: Convert to fraction form
    11,004.28/15,185.80 = 5,968.61/x
  3. Step 3: Cross multiply
    11,004.28x = 15,185.80 × 5,968.61
  4. Step 4: Simplify right side
    11,004.28x = 90,638,117.74
  5. Step 5: Solve for x
    x = 90,638,117.74/11,004.28
  6. Step 6: Final answer
    x = 8,236.62

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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.