Home / 11,316.37-16,974.39-6,668.71

Finding the Fourth Proportional to 11,316.37, 16,974.39 and 6,668.71

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Solution

The fourth proportional to 11,316.37, 16,974.39 and 6,668.71 is: 10,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.37 : 16,974.39 = 6,668.71 : x
  2. Step 2: Convert to fraction form
    11,316.37/16,974.39 = 6,668.71/x
  3. Step 3: Cross multiply
    11,316.37x = 16,974.39 × 6,668.71
  4. Step 4: Simplify right side
    11,316.37x = 113,197,284.34
  5. Step 5: Solve for x
    x = 113,197,284.34/11,316.37
  6. Step 6: Final answer
    x = 10,002.97

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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.