Home / 11,136.69-15,367.68-6,356.61

Finding the Fourth Proportional to 11,136.69, 15,367.68 and 6,356.61

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Solution

The fourth proportional to 11,136.69, 15,367.68 and 6,356.61 is: 8,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.69 : 15,367.68 = 6,356.61 : x
  2. Step 2: Convert to fraction form
    11,136.69/15,367.68 = 6,356.61/x
  3. Step 3: Cross multiply
    11,136.69x = 15,367.68 × 6,356.61
  4. Step 4: Simplify right side
    11,136.69x = 97,686,348.36
  5. Step 5: Solve for x
    x = 97,686,348.36/11,136.69
  6. Step 6: Final answer
    x = 8,771.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.