Home / 17,086.72-25,631.04-5,401.12

Finding the Fourth Proportional to 17,086.72, 25,631.04 and 5,401.12

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Solution

The fourth proportional to 17,086.72, 25,631.04 and 5,401.12 is: 8,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.72 : 25,631.04 = 5,401.12 : x
  2. Step 2: Convert to fraction form
    17,086.72/25,631.04 = 5,401.12/x
  3. Step 3: Cross multiply
    17,086.72x = 25,631.04 × 5,401.12
  4. Step 4: Simplify right side
    17,086.72x = 138,436,322.76
  5. Step 5: Solve for x
    x = 138,436,322.76/17,086.72
  6. Step 6: Final answer
    x = 8,101.98

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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.