Home / 7,412.89-11,115.23-3,033.43

Finding the Fourth Proportional to 7,412.89, 11,115.23 and 3,033.43

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Solution

The fourth proportional to 7,412.89, 11,115.23 and 3,033.43 is: 4,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.89 : 11,115.23 = 3,033.43 : x
  2. Step 2: Convert to fraction form
    7,412.89/11,115.23 = 3,033.43/x
  3. Step 3: Cross multiply
    7,412.89x = 11,115.23 × 3,033.43
  4. Step 4: Simplify right side
    7,412.89x = 33,717,272.14
  5. Step 5: Solve for x
    x = 33,717,272.14/7,412.89
  6. Step 6: Final answer
    x = 4,548.47

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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.