Home / 12,066.80-18,105.36-6,227.51

Finding the Fourth Proportional to 12,066.80, 18,105.36 and 6,227.51

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Solution

The fourth proportional to 12,066.80, 18,105.36 and 6,227.51 is: 9,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.80 : 18,105.36 = 6,227.51 : x
  2. Step 2: Convert to fraction form
    12,066.80/18,105.36 = 6,227.51/x
  3. Step 3: Cross multiply
    12,066.80x = 18,105.36 × 6,227.51
  4. Step 4: Simplify right side
    12,066.80x = 112,751,219.93
  5. Step 5: Solve for x
    x = 112,751,219.93/12,066.80
  6. Step 6: Final answer
    x = 9,343.92

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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.