Home / 8,224.15-11,349.62-4,686.79

Finding the Fourth Proportional to 8,224.15, 11,349.62 and 4,686.79

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Solution

The fourth proportional to 8,224.15, 11,349.62 and 4,686.79 is: 6,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.15 : 11,349.62 = 4,686.79 : x
  2. Step 2: Convert to fraction form
    8,224.15/11,349.62 = 4,686.79/x
  3. Step 3: Cross multiply
    8,224.15x = 11,349.62 × 4,686.79
  4. Step 4: Simplify right side
    8,224.15x = 53,193,285.52
  5. Step 5: Solve for x
    x = 53,193,285.52/8,224.15
  6. Step 6: Final answer
    x = 6,467.94

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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.