Home / 11,231.37-15,498.05-6,514.74

Finding the Fourth Proportional to 11,231.37, 15,498.05 and 6,514.74

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Solution

The fourth proportional to 11,231.37, 15,498.05 and 6,514.74 is: 8,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.37 : 15,498.05 = 6,514.74 : x
  2. Step 2: Convert to fraction form
    11,231.37/15,498.05 = 6,514.74/x
  3. Step 3: Cross multiply
    11,231.37x = 15,498.05 × 6,514.74
  4. Step 4: Simplify right side
    11,231.37x = 100,965,656.19
  5. Step 5: Solve for x
    x = 100,965,656.19/11,231.37
  6. Step 6: Final answer
    x = 8,989.62

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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.