Home / 12,361.63-18,542.26-3,001.72

Finding the Fourth Proportional to 12,361.63, 18,542.26 and 3,001.72

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Solution

The fourth proportional to 12,361.63, 18,542.26 and 3,001.72 is: 4,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.63 : 18,542.26 = 3,001.72 : x
  2. Step 2: Convert to fraction form
    12,361.63/18,542.26 = 3,001.72/x
  3. Step 3: Cross multiply
    12,361.63x = 18,542.26 × 3,001.72
  4. Step 4: Simplify right side
    12,361.63x = 55,658,657.68
  5. Step 5: Solve for x
    x = 55,658,657.68/12,361.63
  6. Step 6: Final answer
    x = 4,502.53

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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.