Home / 12,066.21-18,102.96-8,133.24

Finding the Fourth Proportional to 12,066.21, 18,102.96 and 8,133.24

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Solution

The fourth proportional to 12,066.21, 18,102.96 and 8,133.24 is: 12,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.21 : 18,102.96 = 8,133.24 : x
  2. Step 2: Convert to fraction form
    12,066.21/18,102.96 = 8,133.24/x
  3. Step 3: Cross multiply
    12,066.21x = 18,102.96 × 8,133.24
  4. Step 4: Simplify right side
    12,066.21x = 147,235,718.39
  5. Step 5: Solve for x
    x = 147,235,718.39/12,066.21
  6. Step 6: Final answer
    x = 12,202.32

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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.