Home / 6,112.12-9,168.14-2,215.16

Finding the Fourth Proportional to 6,112.12, 9,168.14 and 2,215.16

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Solution

The fourth proportional to 6,112.12, 9,168.14 and 2,215.16 is: 3,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.12 : 9,168.14 = 2,215.16 : x
  2. Step 2: Convert to fraction form
    6,112.12/9,168.14 = 2,215.16/x
  3. Step 3: Cross multiply
    6,112.12x = 9,168.14 × 2,215.16
  4. Step 4: Simplify right side
    6,112.12x = 20,308,897.00
  5. Step 5: Solve for x
    x = 20,308,897.00/6,112.12
  6. Step 6: Final answer
    x = 3,322.73

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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.