Home / 7,445.88-11,166.99-2,515.44

Finding the Fourth Proportional to 7,445.88, 11,166.99 and 2,515.44

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Solution

The fourth proportional to 7,445.88, 11,166.99 and 2,515.44 is: 3,772.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.88 : 11,166.99 = 2,515.44 : x
  2. Step 2: Convert to fraction form
    7,445.88/11,166.99 = 2,515.44/x
  3. Step 3: Cross multiply
    7,445.88x = 11,166.99 × 2,515.44
  4. Step 4: Simplify right side
    7,445.88x = 28,089,893.33
  5. Step 5: Solve for x
    x = 28,089,893.33/7,445.88
  6. Step 6: Final answer
    x = 3,772.54

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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.