Home / 11,663.14-16,097.38-8,087.80

Finding the Fourth Proportional to 11,663.14, 16,097.38 and 8,087.80

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Solution

The fourth proportional to 11,663.14, 16,097.38 and 8,087.80 is: 11,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.14 : 16,097.38 = 8,087.80 : x
  2. Step 2: Convert to fraction form
    11,663.14/16,097.38 = 8,087.80/x
  3. Step 3: Cross multiply
    11,663.14x = 16,097.38 × 8,087.80
  4. Step 4: Simplify right side
    11,663.14x = 130,192,389.96
  5. Step 5: Solve for x
    x = 130,192,389.96/11,663.14
  6. Step 6: Final answer
    x = 11,162.72

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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.