Home / 10,811.64-16,217.58-3,020.52

Finding the Fourth Proportional to 10,811.64, 16,217.58 and 3,020.52

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Solution

The fourth proportional to 10,811.64, 16,217.58 and 3,020.52 is: 4,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.64 : 16,217.58 = 3,020.52 : x
  2. Step 2: Convert to fraction form
    10,811.64/16,217.58 = 3,020.52/x
  3. Step 3: Cross multiply
    10,811.64x = 16,217.58 × 3,020.52
  4. Step 4: Simplify right side
    10,811.64x = 48,985,524.74
  5. Step 5: Solve for x
    x = 48,985,524.74/10,811.64
  6. Step 6: Final answer
    x = 4,530.81

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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.