Home / 12,414.52-17,131.48-7,108.62

Finding the Fourth Proportional to 12,414.52, 17,131.48 and 7,108.62

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Solution

The fourth proportional to 12,414.52, 17,131.48 and 7,108.62 is: 9,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.52 : 17,131.48 = 7,108.62 : x
  2. Step 2: Convert to fraction form
    12,414.52/17,131.48 = 7,108.62/x
  3. Step 3: Cross multiply
    12,414.52x = 17,131.48 × 7,108.62
  4. Step 4: Simplify right side
    12,414.52x = 121,781,181.36
  5. Step 5: Solve for x
    x = 121,781,181.36/12,414.52
  6. Step 6: Final answer
    x = 9,809.58

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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.