Home / 17,213.48-25,815.42-6,118.76

Finding the Fourth Proportional to 17,213.48, 25,815.42 and 6,118.76

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Solution

The fourth proportional to 17,213.48, 25,815.42 and 6,118.76 is: 9,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.48 : 25,815.42 = 6,118.76 : x
  2. Step 2: Convert to fraction form
    17,213.48/25,815.42 = 6,118.76/x
  3. Step 3: Cross multiply
    17,213.48x = 25,815.42 × 6,118.76
  4. Step 4: Simplify right side
    17,213.48x = 157,958,359.28
  5. Step 5: Solve for x
    x = 157,958,359.28/17,213.48
  6. Step 6: Final answer
    x = 9,176.43

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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.