Home / 7,961.14-10,976.21-4,975.88

Finding the Fourth Proportional to 7,961.14, 10,976.21 and 4,975.88

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Solution

The fourth proportional to 7,961.14, 10,976.21 and 4,975.88 is: 6,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.14 : 10,976.21 = 4,975.88 : x
  2. Step 2: Convert to fraction form
    7,961.14/10,976.21 = 4,975.88/x
  3. Step 3: Cross multiply
    7,961.14x = 10,976.21 × 4,975.88
  4. Step 4: Simplify right side
    7,961.14x = 54,616,304.46
  5. Step 5: Solve for x
    x = 54,616,304.46/7,961.14
  6. Step 6: Final answer
    x = 6,860.37

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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.