Home / 11,471.54-17,208.75-3,678.26

Finding the Fourth Proportional to 11,471.54, 17,208.75 and 3,678.26

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Solution

The fourth proportional to 11,471.54, 17,208.75 and 3,678.26 is: 5,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471.54 : 17,208.75 = 3,678.26 : x
  2. Step 2: Convert to fraction form
    11,471.54/17,208.75 = 3,678.26/x
  3. Step 3: Cross multiply
    11,471.54x = 17,208.75 × 3,678.26
  4. Step 4: Simplify right side
    11,471.54x = 63,298,256.78
  5. Step 5: Solve for x
    x = 63,298,256.78/11,471.54
  6. Step 6: Final answer
    x = 5,517.85

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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.