Home / 11,132.26-16,706.85-4,118.91

Finding the Fourth Proportional to 11,132.26, 16,706.85 and 4,118.91

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Solution

The fourth proportional to 11,132.26, 16,706.85 and 4,118.91 is: 6,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.26 : 16,706.85 = 4,118.91 : x
  2. Step 2: Convert to fraction form
    11,132.26/16,706.85 = 4,118.91/x
  3. Step 3: Cross multiply
    11,132.26x = 16,706.85 × 4,118.91
  4. Step 4: Simplify right side
    11,132.26x = 68,814,011.53
  5. Step 5: Solve for x
    x = 68,814,011.53/11,132.26
  6. Step 6: Final answer
    x = 6,181.50

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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.