Home / 11,719.33-16,172.36-6,683.44

Finding the Fourth Proportional to 11,719.33, 16,172.36 and 6,683.44

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Solution

The fourth proportional to 11,719.33, 16,172.36 and 6,683.44 is: 9,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.33 : 16,172.36 = 6,683.44 : x
  2. Step 2: Convert to fraction form
    11,719.33/16,172.36 = 6,683.44/x
  3. Step 3: Cross multiply
    11,719.33x = 16,172.36 × 6,683.44
  4. Step 4: Simplify right side
    11,719.33x = 108,086,979.26
  5. Step 5: Solve for x
    x = 108,086,979.26/11,719.33
  6. Step 6: Final answer
    x = 9,222.96

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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.