Home / 11,105.10-16,653.60-4,438.80

Finding the Fourth Proportional to 11,105.10, 16,653.60 and 4,438.80

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Solution

The fourth proportional to 11,105.10, 16,653.60 and 4,438.80 is: 6,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.10 : 16,653.60 = 4,438.80 : x
  2. Step 2: Convert to fraction form
    11,105.10/16,653.60 = 4,438.80/x
  3. Step 3: Cross multiply
    11,105.10x = 16,653.60 × 4,438.80
  4. Step 4: Simplify right side
    11,105.10x = 73,921,999.68
  5. Step 5: Solve for x
    x = 73,921,999.68/11,105.10
  6. Step 6: Final answer
    x = 6,656.58

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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.