Home / 11,118.76-16,649.34-8,803.24

Finding the Fourth Proportional to 11,118.76, 16,649.34 and 8,803.24

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Solution

The fourth proportional to 11,118.76, 16,649.34 and 8,803.24 is: 13,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.76 : 16,649.34 = 8,803.24 : x
  2. Step 2: Convert to fraction form
    11,118.76/16,649.34 = 8,803.24/x
  3. Step 3: Cross multiply
    11,118.76x = 16,649.34 × 8,803.24
  4. Step 4: Simplify right side
    11,118.76x = 146,568,135.86
  5. Step 5: Solve for x
    x = 146,568,135.86/11,118.76
  6. Step 6: Final answer
    x = 13,182.06

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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.