Home / 7,982.09-11,016.60-6,090.11

Finding the Fourth Proportional to 7,982.09, 11,016.60 and 6,090.11

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Solution

The fourth proportional to 7,982.09, 11,016.60 and 6,090.11 is: 8,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.09 : 11,016.60 = 6,090.11 : x
  2. Step 2: Convert to fraction form
    7,982.09/11,016.60 = 6,090.11/x
  3. Step 3: Cross multiply
    7,982.09x = 11,016.60 × 6,090.11
  4. Step 4: Simplify right side
    7,982.09x = 67,092,305.83
  5. Step 5: Solve for x
    x = 67,092,305.83/7,982.09
  6. Step 6: Final answer
    x = 8,405.36

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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.