Home / 6,118.64-9,172.39-2,222.14

Finding the Fourth Proportional to 6,118.64, 9,172.39 and 2,222.14

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Solution

The fourth proportional to 6,118.64, 9,172.39 and 2,222.14 is: 3,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.64 : 9,172.39 = 2,222.14 : x
  2. Step 2: Convert to fraction form
    6,118.64/9,172.39 = 2,222.14/x
  3. Step 3: Cross multiply
    6,118.64x = 9,172.39 × 2,222.14
  4. Step 4: Simplify right side
    6,118.64x = 20,382,277.74
  5. Step 5: Solve for x
    x = 20,382,277.74/6,118.64
  6. Step 6: Final answer
    x = 3,331.18

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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.