Home / 8,997.48-12,418.04-6,646.44

Finding the Fourth Proportional to 8,997.48, 12,418.04 and 6,646.44

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Solution

The fourth proportional to 8,997.48, 12,418.04 and 6,646.44 is: 9,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.48 : 12,418.04 = 6,646.44 : x
  2. Step 2: Convert to fraction form
    8,997.48/12,418.04 = 6,646.44/x
  3. Step 3: Cross multiply
    8,997.48x = 12,418.04 × 6,646.44
  4. Step 4: Simplify right side
    8,997.48x = 82,535,757.78
  5. Step 5: Solve for x
    x = 82,535,757.78/8,997.48
  6. Step 6: Final answer
    x = 9,173.21

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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.