Home / 12,435.23-17,160.60-6,846.23

Finding the Fourth Proportional to 12,435.23, 17,160.60 and 6,846.23

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Solution

The fourth proportional to 12,435.23, 17,160.60 and 6,846.23 is: 9,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.23 : 17,160.60 = 6,846.23 : x
  2. Step 2: Convert to fraction form
    12,435.23/17,160.60 = 6,846.23/x
  3. Step 3: Cross multiply
    12,435.23x = 17,160.60 × 6,846.23
  4. Step 4: Simplify right side
    12,435.23x = 117,485,414.54
  5. Step 5: Solve for x
    x = 117,485,414.54/12,435.23
  6. Step 6: Final answer
    x = 9,447.79

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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.