Home / 11,392.25-17,086.40-5,150.81

Finding the Fourth Proportional to 11,392.25, 17,086.40 and 5,150.81

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Solution

The fourth proportional to 11,392.25, 17,086.40 and 5,150.81 is: 7,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.25 : 17,086.40 = 5,150.81 : x
  2. Step 2: Convert to fraction form
    11,392.25/17,086.40 = 5,150.81/x
  3. Step 3: Cross multiply
    11,392.25x = 17,086.40 × 5,150.81
  4. Step 4: Simplify right side
    11,392.25x = 88,008,688.80
  5. Step 5: Solve for x
    x = 88,008,688.80/11,392.25
  6. Step 6: Final answer
    x = 7,725.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.