Home / 7,990.73-11,027.69-4,453.94

Finding the Fourth Proportional to 7,990.73, 11,027.69 and 4,453.94

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Solution

The fourth proportional to 7,990.73, 11,027.69 and 4,453.94 is: 6,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.73 : 11,027.69 = 4,453.94 : x
  2. Step 2: Convert to fraction form
    7,990.73/11,027.69 = 4,453.94/x
  3. Step 3: Cross multiply
    7,990.73x = 11,027.69 × 4,453.94
  4. Step 4: Simplify right side
    7,990.73x = 49,116,592.19
  5. Step 5: Solve for x
    x = 49,116,592.19/7,990.73
  6. Step 6: Final answer
    x = 6,146.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.