Home / 11,423.88-17,142.30-4,503.24

Finding the Fourth Proportional to 11,423.88, 17,142.30 and 4,503.24

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Solution

The fourth proportional to 11,423.88, 17,142.30 and 4,503.24 is: 6,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.88 : 17,142.30 = 4,503.24 : x
  2. Step 2: Convert to fraction form
    11,423.88/17,142.30 = 4,503.24/x
  3. Step 3: Cross multiply
    11,423.88x = 17,142.30 × 4,503.24
  4. Step 4: Simplify right side
    11,423.88x = 77,195,891.05
  5. Step 5: Solve for x
    x = 77,195,891.05/11,423.88
  6. Step 6: Final answer
    x = 6,757.41

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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.