Home / 12,076.44-18,112.68-4,283.52

Finding the Fourth Proportional to 12,076.44, 18,112.68 and 4,283.52

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Solution

The fourth proportional to 12,076.44, 18,112.68 and 4,283.52 is: 6,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.44 : 18,112.68 = 4,283.52 : x
  2. Step 2: Convert to fraction form
    12,076.44/18,112.68 = 4,283.52/x
  3. Step 3: Cross multiply
    12,076.44x = 18,112.68 × 4,283.52
  4. Step 4: Simplify right side
    12,076.44x = 77,586,027.03
  5. Step 5: Solve for x
    x = 77,586,027.03/12,076.44
  6. Step 6: Final answer
    x = 6,424.58

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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.