Home / 11,136.96-16,683.82-9,953.96

Finding the Fourth Proportional to 11,136.96, 16,683.82 and 9,953.96

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Solution

The fourth proportional to 11,136.96, 16,683.82 and 9,953.96 is: 14,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.96 : 16,683.82 = 9,953.96 : x
  2. Step 2: Convert to fraction form
    11,136.96/16,683.82 = 9,953.96/x
  3. Step 3: Cross multiply
    11,136.96x = 16,683.82 × 9,953.96
  4. Step 4: Simplify right side
    11,136.96x = 166,070,024.61
  5. Step 5: Solve for x
    x = 166,070,024.61/11,136.96
  6. Step 6: Final answer
    x = 14,911.61

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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.