Home / 11,722.22-16,175.31-6,416.54

Finding the Fourth Proportional to 11,722.22, 16,175.31 and 6,416.54

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Solution

The fourth proportional to 11,722.22, 16,175.31 and 6,416.54 is: 8,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.22 : 16,175.31 = 6,416.54 : x
  2. Step 2: Convert to fraction form
    11,722.22/16,175.31 = 6,416.54/x
  3. Step 3: Cross multiply
    11,722.22x = 16,175.31 × 6,416.54
  4. Step 4: Simplify right side
    11,722.22x = 103,789,523.63
  5. Step 5: Solve for x
    x = 103,789,523.63/11,722.22
  6. Step 6: Final answer
    x = 8,854.08

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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.