Home / 7,963.04-11,944.80-2,120.24

Finding the Fourth Proportional to 7,963.04, 11,944.80 and 2,120.24

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Solution

The fourth proportional to 7,963.04, 11,944.80 and 2,120.24 is: 3,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.04 : 11,944.80 = 2,120.24 : x
  2. Step 2: Convert to fraction form
    7,963.04/11,944.80 = 2,120.24/x
  3. Step 3: Cross multiply
    7,963.04x = 11,944.80 × 2,120.24
  4. Step 4: Simplify right side
    7,963.04x = 25,325,842.75
  5. Step 5: Solve for x
    x = 25,325,842.75/7,963.04
  6. Step 6: Final answer
    x = 3,180.42

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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.