Home / 11,968.51-16,517.24-6,663.31

Finding the Fourth Proportional to 11,968.51, 16,517.24 and 6,663.31

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Solution

The fourth proportional to 11,968.51, 16,517.24 and 6,663.31 is: 9,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.51 : 16,517.24 = 6,663.31 : x
  2. Step 2: Convert to fraction form
    11,968.51/16,517.24 = 6,663.31/x
  3. Step 3: Cross multiply
    11,968.51x = 16,517.24 × 6,663.31
  4. Step 4: Simplify right side
    11,968.51x = 110,059,490.46
  5. Step 5: Solve for x
    x = 110,059,490.46/11,968.51
  6. Step 6: Final answer
    x = 9,195.76

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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.