Home / 11,631.73-16,043.19-7,379.12

Finding the Fourth Proportional to 11,631.73, 16,043.19 and 7,379.12

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Solution

The fourth proportional to 11,631.73, 16,043.19 and 7,379.12 is: 10,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.73 : 16,043.19 = 7,379.12 : x
  2. Step 2: Convert to fraction form
    11,631.73/16,043.19 = 7,379.12/x
  3. Step 3: Cross multiply
    11,631.73x = 16,043.19 × 7,379.12
  4. Step 4: Simplify right side
    11,631.73x = 118,384,678.14
  5. Step 5: Solve for x
    x = 118,384,678.14/11,631.73
  6. Step 6: Final answer
    x = 10,177.74

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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.