Home / 11,575.12-17,361.24-3,783.28

Finding the Fourth Proportional to 11,575.12, 17,361.24 and 3,783.28

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Solution

The fourth proportional to 11,575.12, 17,361.24 and 3,783.28 is: 5,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.12 : 17,361.24 = 3,783.28 : x
  2. Step 2: Convert to fraction form
    11,575.12/17,361.24 = 3,783.28/x
  3. Step 3: Cross multiply
    11,575.12x = 17,361.24 × 3,783.28
  4. Step 4: Simplify right side
    11,575.12x = 65,682,432.07
  5. Step 5: Solve for x
    x = 65,682,432.07/11,575.12
  6. Step 6: Final answer
    x = 5,674.45

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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.