Home / 11,678.39-17,517.48-3,358.38

Finding the Fourth Proportional to 11,678.39, 17,517.48 and 3,358.38

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Solution

The fourth proportional to 11,678.39, 17,517.48 and 3,358.38 is: 5,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.39 : 17,517.48 = 3,358.38 : x
  2. Step 2: Convert to fraction form
    11,678.39/17,517.48 = 3,358.38/x
  3. Step 3: Cross multiply
    11,678.39x = 17,517.48 × 3,358.38
  4. Step 4: Simplify right side
    11,678.39x = 58,830,327.93
  5. Step 5: Solve for x
    x = 58,830,327.93/11,678.39
  6. Step 6: Final answer
    x = 5,037.54

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1.5x scale

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.