Home / 11,136.10-16,705.28-4,117.99

Finding the Fourth Proportional to 11,136.10, 16,705.28 and 4,117.99

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Solution

The fourth proportional to 11,136.10, 16,705.28 and 4,117.99 is: 6,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.10 : 16,705.28 = 4,117.99 : x
  2. Step 2: Convert to fraction form
    11,136.10/16,705.28 = 4,117.99/x
  3. Step 3: Cross multiply
    11,136.10x = 16,705.28 × 4,117.99
  4. Step 4: Simplify right side
    11,136.10x = 68,792,175.99
  5. Step 5: Solve for x
    x = 68,792,175.99/11,136.10
  6. Step 6: Final answer
    x = 6,177.40

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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.