Home / 7,447.03-11,169.54-4,121.44

Finding the Fourth Proportional to 7,447.03, 11,169.54 and 4,121.44

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Solution

The fourth proportional to 7,447.03, 11,169.54 and 4,121.44 is: 6,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.03 : 11,169.54 = 4,121.44 : x
  2. Step 2: Convert to fraction form
    7,447.03/11,169.54 = 4,121.44/x
  3. Step 3: Cross multiply
    7,447.03x = 11,169.54 × 4,121.44
  4. Step 4: Simplify right side
    7,447.03x = 46,034,588.94
  5. Step 5: Solve for x
    x = 46,034,588.94/7,447.03
  6. Step 6: Final answer
    x = 6,181.60

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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.