Home / 8,799.48-12,144.96-5,445.54

Finding the Fourth Proportional to 8,799.48, 12,144.96 and 5,445.54

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Solution

The fourth proportional to 8,799.48, 12,144.96 and 5,445.54 is: 7,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.48 : 12,144.96 = 5,445.54 : x
  2. Step 2: Convert to fraction form
    8,799.48/12,144.96 = 5,445.54/x
  3. Step 3: Cross multiply
    8,799.48x = 12,144.96 × 5,445.54
  4. Step 4: Simplify right side
    8,799.48x = 66,135,865.48
  5. Step 5: Solve for x
    x = 66,135,865.48/8,799.48
  6. Step 6: Final answer
    x = 7,515.88

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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.