Home / 11,778.24-17,665.46-3,012.70

Finding the Fourth Proportional to 11,778.24, 17,665.46 and 3,012.70

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Solution

The fourth proportional to 11,778.24, 17,665.46 and 3,012.70 is: 4,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.24 : 17,665.46 = 3,012.70 : x
  2. Step 2: Convert to fraction form
    11,778.24/17,665.46 = 3,012.70/x
  3. Step 3: Cross multiply
    11,778.24x = 17,665.46 × 3,012.70
  4. Step 4: Simplify right side
    11,778.24x = 53,220,731.34
  5. Step 5: Solve for x
    x = 53,220,731.34/11,778.24
  6. Step 6: Final answer
    x = 4,518.56

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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.