Home / 9,072.78-13,612.67-3,530.03

Finding the Fourth Proportional to 9,072.78, 13,612.67 and 3,530.03

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Solution

The fourth proportional to 9,072.78, 13,612.67 and 3,530.03 is: 5,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.78 : 13,612.67 = 3,530.03 : x
  2. Step 2: Convert to fraction form
    9,072.78/13,612.67 = 3,530.03/x
  3. Step 3: Cross multiply
    9,072.78x = 13,612.67 × 3,530.03
  4. Step 4: Simplify right side
    9,072.78x = 48,053,115.83
  5. Step 5: Solve for x
    x = 48,053,115.83/9,072.78
  6. Step 6: Final answer
    x = 5,296.40

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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.