Home / 12,162.06-18,244.13-3,397.01

Finding the Fourth Proportional to 12,162.06, 18,244.13 and 3,397.01

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Solution

The fourth proportional to 12,162.06, 18,244.13 and 3,397.01 is: 5,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.06 : 18,244.13 = 3,397.01 : x
  2. Step 2: Convert to fraction form
    12,162.06/18,244.13 = 3,397.01/x
  3. Step 3: Cross multiply
    12,162.06x = 18,244.13 × 3,397.01
  4. Step 4: Simplify right side
    12,162.06x = 61,975,383.85
  5. Step 5: Solve for x
    x = 61,975,383.85/12,162.06
  6. Step 6: Final answer
    x = 5,095.80

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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.