Home / 11,722.96-16,174.92-8,573.68

Finding the Fourth Proportional to 11,722.96, 16,174.92 and 8,573.68

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Solution

The fourth proportional to 11,722.96, 16,174.92 and 8,573.68 is: 11,829.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.96 : 16,174.92 = 8,573.68 : x
  2. Step 2: Convert to fraction form
    11,722.96/16,174.92 = 8,573.68/x
  3. Step 3: Cross multiply
    11,722.96x = 16,174.92 × 8,573.68
  4. Step 4: Simplify right side
    11,722.96x = 138,678,588.11
  5. Step 5: Solve for x
    x = 138,678,588.11/11,722.96
  6. Step 6: Final answer
    x = 11,829.66

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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.