Home / 11,136.65-16,706.84-4,116.68

Finding the Fourth Proportional to 11,136.65, 16,706.84 and 4,116.68

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Solution

The fourth proportional to 11,136.65, 16,706.84 and 4,116.68 is: 6,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.65 : 16,706.84 = 4,116.68 : x
  2. Step 2: Convert to fraction form
    11,136.65/16,706.84 = 4,116.68/x
  3. Step 3: Cross multiply
    11,136.65x = 16,706.84 × 4,116.68
  4. Step 4: Simplify right side
    11,136.65x = 68,776,609.97
  5. Step 5: Solve for x
    x = 68,776,609.97/11,136.65
  6. Step 6: Final answer
    x = 6,175.70

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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.