Home / 7,108.14-10,667.97-3,646.38

Finding the Fourth Proportional to 7,108.14, 10,667.97 and 3,646.38

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Solution

The fourth proportional to 7,108.14, 10,667.97 and 3,646.38 is: 5,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.14 : 10,667.97 = 3,646.38 : x
  2. Step 2: Convert to fraction form
    7,108.14/10,667.97 = 3,646.38/x
  3. Step 3: Cross multiply
    7,108.14x = 10,667.97 × 3,646.38
  4. Step 4: Simplify right side
    7,108.14x = 38,899,472.45
  5. Step 5: Solve for x
    x = 38,899,472.45/7,108.14
  6. Step 6: Final answer
    x = 5,472.52

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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.