Home / 9,397.74-12,968.34-5,147.96

Finding the Fourth Proportional to 9,397.74, 12,968.34 and 5,147.96

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Solution

The fourth proportional to 9,397.74, 12,968.34 and 5,147.96 is: 7,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.74 : 12,968.34 = 5,147.96 : x
  2. Step 2: Convert to fraction form
    9,397.74/12,968.34 = 5,147.96/x
  3. Step 3: Cross multiply
    9,397.74x = 12,968.34 × 5,147.96
  4. Step 4: Simplify right side
    9,397.74x = 66,760,484.39
  5. Step 5: Solve for x
    x = 66,760,484.39/9,397.74
  6. Step 6: Final answer
    x = 7,103.88

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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.