Home / 11,401.66-17,104.30-4,381.38

Finding the Fourth Proportional to 11,401.66, 17,104.30 and 4,381.38

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Solution

The fourth proportional to 11,401.66, 17,104.30 and 4,381.38 is: 6,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.66 : 17,104.30 = 4,381.38 : x
  2. Step 2: Convert to fraction form
    11,401.66/17,104.30 = 4,381.38/x
  3. Step 3: Cross multiply
    11,401.66x = 17,104.30 × 4,381.38
  4. Step 4: Simplify right side
    11,401.66x = 74,940,437.93
  5. Step 5: Solve for x
    x = 74,940,437.93/11,401.66
  6. Step 6: Final answer
    x = 6,572.77

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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.