Home / 13,401.12-18,497.38-8,096.30

Finding the Fourth Proportional to 13,401.12, 18,497.38 and 8,096.30

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Solution

The fourth proportional to 13,401.12, 18,497.38 and 8,096.30 is: 11,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.12 : 18,497.38 = 8,096.30 : x
  2. Step 2: Convert to fraction form
    13,401.12/18,497.38 = 8,096.30/x
  3. Step 3: Cross multiply
    13,401.12x = 18,497.38 × 8,096.30
  4. Step 4: Simplify right side
    13,401.12x = 149,760,337.69
  5. Step 5: Solve for x
    x = 149,760,337.69/13,401.12
  6. Step 6: Final answer
    x = 11,175.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.