Home / 12,425.64-17,147.62-6,760.52

Finding the Fourth Proportional to 12,425.64, 17,147.62 and 6,760.52

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Solution

The fourth proportional to 12,425.64, 17,147.62 and 6,760.52 is: 9,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.64 : 17,147.62 = 6,760.52 : x
  2. Step 2: Convert to fraction form
    12,425.64/17,147.62 = 6,760.52/x
  3. Step 3: Cross multiply
    12,425.64x = 17,147.62 × 6,760.52
  4. Step 4: Simplify right side
    12,425.64x = 115,926,827.96
  5. Step 5: Solve for x
    x = 115,926,827.96/12,425.64
  6. Step 6: Final answer
    x = 9,329.65

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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.