Home / 11,928.28-17,888.16-4,906.24

Finding the Fourth Proportional to 11,928.28, 17,888.16 and 4,906.24

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Solution

The fourth proportional to 11,928.28, 17,888.16 and 4,906.24 is: 7,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.28 : 17,888.16 = 4,906.24 : x
  2. Step 2: Convert to fraction form
    11,928.28/17,888.16 = 4,906.24/x
  3. Step 3: Cross multiply
    11,928.28x = 17,888.16 × 4,906.24
  4. Step 4: Simplify right side
    11,928.28x = 87,763,606.12
  5. Step 5: Solve for x
    x = 87,763,606.12/11,928.28
  6. Step 6: Final answer
    x = 7,357.61

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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.