Home / 11,311.08-16,960.18-4,645.68

Finding the Fourth Proportional to 11,311.08, 16,960.18 and 4,645.68

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Solution

The fourth proportional to 11,311.08, 16,960.18 and 4,645.68 is: 6,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.08 : 16,960.18 = 4,645.68 : x
  2. Step 2: Convert to fraction form
    11,311.08/16,960.18 = 4,645.68/x
  3. Step 3: Cross multiply
    11,311.08x = 16,960.18 × 4,645.68
  4. Step 4: Simplify right side
    11,311.08x = 78,791,569.02
  5. Step 5: Solve for x
    x = 78,791,569.02/11,311.08
  6. Step 6: Final answer
    x = 6,965.87

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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.