Home / 11,575.24-17,359.30-4,178.76

Finding the Fourth Proportional to 11,575.24, 17,359.30 and 4,178.76

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Solution

The fourth proportional to 11,575.24, 17,359.30 and 4,178.76 is: 6,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.24 : 17,359.30 = 4,178.76 : x
  2. Step 2: Convert to fraction form
    11,575.24/17,359.30 = 4,178.76/x
  3. Step 3: Cross multiply
    11,575.24x = 17,359.30 × 4,178.76
  4. Step 4: Simplify right side
    11,575.24x = 72,540,348.47
  5. Step 5: Solve for x
    x = 72,540,348.47/11,575.24
  6. Step 6: Final answer
    x = 6,266.85

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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.