Home / 9,115.11-13,666.19-4,674.11

Finding the Fourth Proportional to 9,115.11, 13,666.19 and 4,674.11

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Solution

The fourth proportional to 9,115.11, 13,666.19 and 4,674.11 is: 7,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.11 : 13,666.19 = 4,674.11 : x
  2. Step 2: Convert to fraction form
    9,115.11/13,666.19 = 4,674.11/x
  3. Step 3: Cross multiply
    9,115.11x = 13,666.19 × 4,674.11
  4. Step 4: Simplify right side
    9,115.11x = 63,877,183.64
  5. Step 5: Solve for x
    x = 63,877,183.64/9,115.11
  6. Step 6: Final answer
    x = 7,007.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.