Home / 12,052.22-18,077.79-3,287.13

Finding the Fourth Proportional to 12,052.22, 18,077.79 and 3,287.13

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Solution

The fourth proportional to 12,052.22, 18,077.79 and 3,287.13 is: 4,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.22 : 18,077.79 = 3,287.13 : x
  2. Step 2: Convert to fraction form
    12,052.22/18,077.79 = 3,287.13/x
  3. Step 3: Cross multiply
    12,052.22x = 18,077.79 × 3,287.13
  4. Step 4: Simplify right side
    12,052.22x = 59,424,045.84
  5. Step 5: Solve for x
    x = 59,424,045.84/12,052.22
  6. Step 6: Final answer
    x = 4,930.55

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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.