Home / 11,231.14-15,498.90-6,195.50

Finding the Fourth Proportional to 11,231.14, 15,498.90 and 6,195.50

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Solution

The fourth proportional to 11,231.14, 15,498.90 and 6,195.50 is: 8,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.14 : 15,498.90 = 6,195.50 : x
  2. Step 2: Convert to fraction form
    11,231.14/15,498.90 = 6,195.50/x
  3. Step 3: Cross multiply
    11,231.14x = 15,498.90 × 6,195.50
  4. Step 4: Simplify right side
    11,231.14x = 96,023,403.97
  5. Step 5: Solve for x
    x = 96,023,403.97/11,231.14
  6. Step 6: Final answer
    x = 8,549.75

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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.