Home / 9,185.94-13,778.88-2,612.19

Finding the Fourth Proportional to 9,185.94, 13,778.88 and 2,612.19

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Solution

The fourth proportional to 9,185.94, 13,778.88 and 2,612.19 is: 3,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.94 : 13,778.88 = 2,612.19 : x
  2. Step 2: Convert to fraction form
    9,185.94/13,778.88 = 2,612.19/x
  3. Step 3: Cross multiply
    9,185.94x = 13,778.88 × 2,612.19
  4. Step 4: Simplify right side
    9,185.94x = 35,993,052.55
  5. Step 5: Solve for x
    x = 35,993,052.55/9,185.94
  6. Step 6: Final answer
    x = 3,918.28

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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.