Home / 11,057.20-16,585.80-4,131.70

Finding the Fourth Proportional to 11,057.20, 16,585.80 and 4,131.70

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Solution

The fourth proportional to 11,057.20, 16,585.80 and 4,131.70 is: 6,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.20 : 16,585.80 = 4,131.70 : x
  2. Step 2: Convert to fraction form
    11,057.20/16,585.80 = 4,131.70/x
  3. Step 3: Cross multiply
    11,057.20x = 16,585.80 × 4,131.70
  4. Step 4: Simplify right side
    11,057.20x = 68,527,549.86
  5. Step 5: Solve for x
    x = 68,527,549.86/11,057.20
  6. Step 6: Final answer
    x = 6,197.55

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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.