Home / 8,845.68-12,202.40-5,487.44

Finding the Fourth Proportional to 8,845.68, 12,202.40 and 5,487.44

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Solution

The fourth proportional to 8,845.68, 12,202.40 and 5,487.44 is: 7,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.68 : 12,202.40 = 5,487.44 : x
  2. Step 2: Convert to fraction form
    8,845.68/12,202.40 = 5,487.44/x
  3. Step 3: Cross multiply
    8,845.68x = 12,202.40 × 5,487.44
  4. Step 4: Simplify right side
    8,845.68x = 66,959,937.86
  5. Step 5: Solve for x
    x = 66,959,937.86/8,845.68
  6. Step 6: Final answer
    x = 7,569.79

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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.