Home / 7,786.56-11,679.18-1,943.16

Finding the Fourth Proportional to 7,786.56, 11,679.18 and 1,943.16

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Solution

The fourth proportional to 7,786.56, 11,679.18 and 1,943.16 is: 2,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.56 : 11,679.18 = 1,943.16 : x
  2. Step 2: Convert to fraction form
    7,786.56/11,679.18 = 1,943.16/x
  3. Step 3: Cross multiply
    7,786.56x = 11,679.18 × 1,943.16
  4. Step 4: Simplify right side
    7,786.56x = 22,694,515.41
  5. Step 5: Solve for x
    x = 22,694,515.41/7,786.56
  6. Step 6: Final answer
    x = 2,914.58

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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.