Home / 12,414.64-17,131.44-7,108.24

Finding the Fourth Proportional to 12,414.64, 17,131.44 and 7,108.24

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Solution

The fourth proportional to 12,414.64, 17,131.44 and 7,108.24 is: 9,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.64 : 17,131.44 = 7,108.24 : x
  2. Step 2: Convert to fraction form
    12,414.64/17,131.44 = 7,108.24/x
  3. Step 3: Cross multiply
    12,414.64x = 17,131.44 × 7,108.24
  4. Step 4: Simplify right side
    12,414.64x = 121,774,387.07
  5. Step 5: Solve for x
    x = 121,774,387.07/12,414.64
  6. Step 6: Final answer
    x = 9,808.93

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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.