Home / 12,251.96-18,361.74-4,453.28

Finding the Fourth Proportional to 12,251.96, 18,361.74 and 4,453.28

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Solution

The fourth proportional to 12,251.96, 18,361.74 and 4,453.28 is: 6,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.96 : 18,361.74 = 4,453.28 : x
  2. Step 2: Convert to fraction form
    12,251.96/18,361.74 = 4,453.28/x
  3. Step 3: Cross multiply
    12,251.96x = 18,361.74 × 4,453.28
  4. Step 4: Simplify right side
    12,251.96x = 81,769,969.51
  5. Step 5: Solve for x
    x = 81,769,969.51/12,251.96
  6. Step 6: Final answer
    x = 6,674.03

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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.