Home / 11,136.59-16,688.90-6,696.07

Finding the Fourth Proportional to 11,136.59, 16,688.90 and 6,696.07

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Solution

The fourth proportional to 11,136.59, 16,688.90 and 6,696.07 is: 10,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.59 : 16,688.90 = 6,696.07 : x
  2. Step 2: Convert to fraction form
    11,136.59/16,688.90 = 6,696.07/x
  3. Step 3: Cross multiply
    11,136.59x = 16,688.90 × 6,696.07
  4. Step 4: Simplify right side
    11,136.59x = 111,750,042.62
  5. Step 5: Solve for x
    x = 111,750,042.62/11,136.59
  6. Step 6: Final answer
    x = 10,034.49

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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.