Home / 11,288.06-16,930.18-4,712.48

Finding the Fourth Proportional to 11,288.06, 16,930.18 and 4,712.48

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Solution

The fourth proportional to 11,288.06, 16,930.18 and 4,712.48 is: 7,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.06 : 16,930.18 = 4,712.48 : x
  2. Step 2: Convert to fraction form
    11,288.06/16,930.18 = 4,712.48/x
  3. Step 3: Cross multiply
    11,288.06x = 16,930.18 × 4,712.48
  4. Step 4: Simplify right side
    11,288.06x = 79,783,134.65
  5. Step 5: Solve for x
    x = 79,783,134.65/11,288.06
  6. Step 6: Final answer
    x = 7,067.92

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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.