Home / 7,991.84-11,027.46-4,454.57

Finding the Fourth Proportional to 7,991.84, 11,027.46 and 4,454.57

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Solution

The fourth proportional to 7,991.84, 11,027.46 and 4,454.57 is: 6,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.84 : 11,027.46 = 4,454.57 : x
  2. Step 2: Convert to fraction form
    7,991.84/11,027.46 = 4,454.57/x
  3. Step 3: Cross multiply
    7,991.84x = 11,027.46 × 4,454.57
  4. Step 4: Simplify right side
    7,991.84x = 49,122,592.49
  5. Step 5: Solve for x
    x = 49,122,592.49/7,991.84
  6. Step 6: Final answer
    x = 6,146.59

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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.