Home / 11,968.06-16,516.38-6,663.46

Finding the Fourth Proportional to 11,968.06, 16,516.38 and 6,663.46

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Solution

The fourth proportional to 11,968.06, 16,516.38 and 6,663.46 is: 9,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.06 : 16,516.38 = 6,663.46 : x
  2. Step 2: Convert to fraction form
    11,968.06/16,516.38 = 6,663.46/x
  3. Step 3: Cross multiply
    11,968.06x = 16,516.38 × 6,663.46
  4. Step 4: Simplify right side
    11,968.06x = 110,056,237.47
  5. Step 5: Solve for x
    x = 110,056,237.47/11,968.06
  6. Step 6: Final answer
    x = 9,195.83

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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.