Home / 11,361.80-15,682.22-10,180.84

Finding the Fourth Proportional to 11,361.80, 15,682.22 and 10,180.84

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Solution

The fourth proportional to 11,361.80, 15,682.22 and 10,180.84 is: 14,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.80 : 15,682.22 = 10,180.84 : x
  2. Step 2: Convert to fraction form
    11,361.80/15,682.22 = 10,180.84/x
  3. Step 3: Cross multiply
    11,361.80x = 15,682.22 × 10,180.84
  4. Step 4: Simplify right side
    11,361.80x = 159,658,172.66
  5. Step 5: Solve for x
    x = 159,658,172.66/11,361.80
  6. Step 6: Final answer
    x = 14,052.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.