Home / 11,120.36-16,678.82-3,724.76

Finding the Fourth Proportional to 11,120.36, 16,678.82 and 3,724.76

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Solution

The fourth proportional to 11,120.36, 16,678.82 and 3,724.76 is: 5,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.36 : 16,678.82 = 3,724.76 : x
  2. Step 2: Convert to fraction form
    11,120.36/16,678.82 = 3,724.76/x
  3. Step 3: Cross multiply
    11,120.36x = 16,678.82 × 3,724.76
  4. Step 4: Simplify right side
    11,120.36x = 62,124,601.58
  5. Step 5: Solve for x
    x = 62,124,601.58/11,120.36
  6. Step 6: Final answer
    x = 5,586.56

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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.