Home / 9,397.20-12,968.08-5,205.44

Finding the Fourth Proportional to 9,397.20, 12,968.08 and 5,205.44

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Solution

The fourth proportional to 9,397.20, 12,968.08 and 5,205.44 is: 7,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.20 : 12,968.08 = 5,205.44 : x
  2. Step 2: Convert to fraction form
    9,397.20/12,968.08 = 5,205.44/x
  3. Step 3: Cross multiply
    9,397.20x = 12,968.08 × 5,205.44
  4. Step 4: Simplify right side
    9,397.20x = 67,504,562.36
  5. Step 5: Solve for x
    x = 67,504,562.36/9,397.20
  6. Step 6: Final answer
    x = 7,183.48

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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.