Home / 11,589.36-17,385.48-4,192.88

Finding the Fourth Proportional to 11,589.36, 17,385.48 and 4,192.88

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Solution

The fourth proportional to 11,589.36, 17,385.48 and 4,192.88 is: 6,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.36 : 17,385.48 = 4,192.88 : x
  2. Step 2: Convert to fraction form
    11,589.36/17,385.48 = 4,192.88/x
  3. Step 3: Cross multiply
    11,589.36x = 17,385.48 × 4,192.88
  4. Step 4: Simplify right side
    11,589.36x = 72,895,231.38
  5. Step 5: Solve for x
    x = 72,895,231.38/11,589.36
  6. Step 6: Final answer
    x = 6,289.84

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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.