Home / 11,724.68-16,173.34-7,245.25

Finding the Fourth Proportional to 11,724.68, 16,173.34 and 7,245.25

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Solution

The fourth proportional to 11,724.68, 16,173.34 and 7,245.25 is: 9,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.68 : 16,173.34 = 7,245.25 : x
  2. Step 2: Convert to fraction form
    11,724.68/16,173.34 = 7,245.25/x
  3. Step 3: Cross multiply
    11,724.68x = 16,173.34 × 7,245.25
  4. Step 4: Simplify right side
    11,724.68x = 117,179,833.09
  5. Step 5: Solve for x
    x = 117,179,833.09/11,724.68
  6. Step 6: Final answer
    x = 9,994.29

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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.