Home / 10,889.88-15,027.58-6,174.06

Finding the Fourth Proportional to 10,889.88, 15,027.58 and 6,174.06

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Solution

The fourth proportional to 10,889.88, 15,027.58 and 6,174.06 is: 8,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.88 : 15,027.58 = 6,174.06 : x
  2. Step 2: Convert to fraction form
    10,889.88/15,027.58 = 6,174.06/x
  3. Step 3: Cross multiply
    10,889.88x = 15,027.58 × 6,174.06
  4. Step 4: Simplify right side
    10,889.88x = 92,781,180.57
  5. Step 5: Solve for x
    x = 92,781,180.57/10,889.88
  6. Step 6: Final answer
    x = 8,519.95

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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.