Home / 11,914.22-16,440.98-6,608.72

Finding the Fourth Proportional to 11,914.22, 16,440.98 and 6,608.72

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Solution

The fourth proportional to 11,914.22, 16,440.98 and 6,608.72 is: 9,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.22 : 16,440.98 = 6,608.72 : x
  2. Step 2: Convert to fraction form
    11,914.22/16,440.98 = 6,608.72/x
  3. Step 3: Cross multiply
    11,914.22x = 16,440.98 × 6,608.72
  4. Step 4: Simplify right side
    11,914.22x = 108,653,841.40
  5. Step 5: Solve for x
    x = 108,653,841.40/11,914.22
  6. Step 6: Final answer
    x = 9,119.68

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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.