Home / 12,425.46-17,147.34-6,760.32

Finding the Fourth Proportional to 12,425.46, 17,147.34 and 6,760.32

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Solution

The fourth proportional to 12,425.46, 17,147.34 and 6,760.32 is: 9,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.46 : 17,147.34 = 6,760.32 : x
  2. Step 2: Convert to fraction form
    12,425.46/17,147.34 = 6,760.32/x
  3. Step 3: Cross multiply
    12,425.46x = 17,147.34 × 6,760.32
  4. Step 4: Simplify right side
    12,425.46x = 115,921,505.55
  5. Step 5: Solve for x
    x = 115,921,505.55/12,425.46
  6. Step 6: Final answer
    x = 9,329.35

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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.