Home / 8,238.44-11,369.87-4,702.19

Finding the Fourth Proportional to 8,238.44, 11,369.87 and 4,702.19

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Solution

The fourth proportional to 8,238.44, 11,369.87 and 4,702.19 is: 6,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.44 : 11,369.87 = 4,702.19 : x
  2. Step 2: Convert to fraction form
    8,238.44/11,369.87 = 4,702.19/x
  3. Step 3: Cross multiply
    8,238.44x = 11,369.87 × 4,702.19
  4. Step 4: Simplify right side
    8,238.44x = 53,463,208.66
  5. Step 5: Solve for x
    x = 53,463,208.66/8,238.44
  6. Step 6: Final answer
    x = 6,489.48

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1.5x scale

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.