Home / 8,238.08-11,368.56-4,512

Finding the Fourth Proportional to 8,238.08, 11,368.56 and 4,512

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Solution

The fourth proportional to 8,238.08, 11,368.56 and 4,512 is: 6,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.08 : 11,368.56 = 4,512 : x
  2. Step 2: Convert to fraction form
    8,238.08/11,368.56 = 4,512/x
  3. Step 3: Cross multiply
    8,238.08x = 11,368.56 × 4,512
  4. Step 4: Simplify right side
    8,238.08x = 51,294,942.72
  5. Step 5: Solve for x
    x = 51,294,942.72/8,238.08
  6. Step 6: Final answer
    x = 6,226.57

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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.