Home / 11,111.38-16,667.96-3,715.89

Finding the Fourth Proportional to 11,111.38, 16,667.96 and 3,715.89

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Solution

The fourth proportional to 11,111.38, 16,667.96 and 3,715.89 is: 5,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.38 : 16,667.96 = 3,715.89 : x
  2. Step 2: Convert to fraction form
    11,111.38/16,667.96 = 3,715.89/x
  3. Step 3: Cross multiply
    11,111.38x = 16,667.96 × 3,715.89
  4. Step 4: Simplify right side
    11,111.38x = 61,936,305.88
  5. Step 5: Solve for x
    x = 61,936,305.88/11,111.38
  6. Step 6: Final answer
    x = 5,574.13

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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.