Home / 7,522.12-11,285.80-3,361.72

Finding the Fourth Proportional to 7,522.12, 11,285.80 and 3,361.72

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Solution

The fourth proportional to 7,522.12, 11,285.80 and 3,361.72 is: 5,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.12 : 11,285.80 = 3,361.72 : x
  2. Step 2: Convert to fraction form
    7,522.12/11,285.80 = 3,361.72/x
  3. Step 3: Cross multiply
    7,522.12x = 11,285.80 × 3,361.72
  4. Step 4: Simplify right side
    7,522.12x = 37,939,699.58
  5. Step 5: Solve for x
    x = 37,939,699.58/7,522.12
  6. Step 6: Final answer
    x = 5,043.75

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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.