Home / 11,136.77-16,705.72-2,816.86

Finding the Fourth Proportional to 11,136.77, 16,705.72 and 2,816.86

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Solution

The fourth proportional to 11,136.77, 16,705.72 and 2,816.86 is: 4,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.77 : 16,705.72 = 2,816.86 : x
  2. Step 2: Convert to fraction form
    11,136.77/16,705.72 = 2,816.86/x
  3. Step 3: Cross multiply
    11,136.77x = 16,705.72 × 2,816.86
  4. Step 4: Simplify right side
    11,136.77x = 47,057,590.91
  5. Step 5: Solve for x
    x = 47,057,590.91/11,136.77
  6. Step 6: Final answer
    x = 4,225.43

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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.