Home / 8,238.99-11,369.70-4,702.26

Finding the Fourth Proportional to 8,238.99, 11,369.70 and 4,702.26

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Solution

The fourth proportional to 8,238.99, 11,369.70 and 4,702.26 is: 6,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.99 : 11,369.70 = 4,702.26 : x
  2. Step 2: Convert to fraction form
    8,238.99/11,369.70 = 4,702.26/x
  3. Step 3: Cross multiply
    8,238.99x = 11,369.70 × 4,702.26
  4. Step 4: Simplify right side
    8,238.99x = 53,463,285.52
  5. Step 5: Solve for x
    x = 53,463,285.52/8,238.99
  6. Step 6: Final answer
    x = 6,489.06

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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.