Home / 12,052.33-18,083.97-7,131.58

Finding the Fourth Proportional to 12,052.33, 18,083.97 and 7,131.58

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Solution

The fourth proportional to 12,052.33, 18,083.97 and 7,131.58 is: 10,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.33 : 18,083.97 = 7,131.58 : x
  2. Step 2: Convert to fraction form
    12,052.33/18,083.97 = 7,131.58/x
  3. Step 3: Cross multiply
    12,052.33x = 18,083.97 × 7,131.58
  4. Step 4: Simplify right side
    12,052.33x = 128,967,278.77
  5. Step 5: Solve for x
    x = 128,967,278.77/12,052.33
  6. Step 6: Final answer
    x = 10,700.61

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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.