Home / 11,822.05-16,313.68-6,516.91

Finding the Fourth Proportional to 11,822.05, 16,313.68 and 6,516.91

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Solution

The fourth proportional to 11,822.05, 16,313.68 and 6,516.91 is: 8,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.05 : 16,313.68 = 6,516.91 : x
  2. Step 2: Convert to fraction form
    11,822.05/16,313.68 = 6,516.91/x
  3. Step 3: Cross multiply
    11,822.05x = 16,313.68 × 6,516.91
  4. Step 4: Simplify right side
    11,822.05x = 106,314,784.33
  5. Step 5: Solve for x
    x = 106,314,784.33/11,822.05
  6. Step 6: Final answer
    x = 8,992.92

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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.