Home / 11,185.35-16,778.72-4,609.32

Finding the Fourth Proportional to 11,185.35, 16,778.72 and 4,609.32

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Solution

The fourth proportional to 11,185.35, 16,778.72 and 4,609.32 is: 6,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.35 : 16,778.72 = 4,609.32 : x
  2. Step 2: Convert to fraction form
    11,185.35/16,778.72 = 4,609.32/x
  3. Step 3: Cross multiply
    11,185.35x = 16,778.72 × 4,609.32
  4. Step 4: Simplify right side
    11,185.35x = 77,338,466.62
  5. Step 5: Solve for x
    x = 77,338,466.62/11,185.35
  6. Step 6: Final answer
    x = 6,914.26

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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.