Home / 8,224.88-11,349.84-4,688.48

Finding the Fourth Proportional to 8,224.88, 11,349.84 and 4,688.48

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Solution

The fourth proportional to 8,224.88, 11,349.84 and 4,688.48 is: 6,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.88 : 11,349.84 = 4,688.48 : x
  2. Step 2: Convert to fraction form
    8,224.88/11,349.84 = 4,688.48/x
  3. Step 3: Cross multiply
    8,224.88x = 11,349.84 × 4,688.48
  4. Step 4: Simplify right side
    8,224.88x = 53,213,497.84
  5. Step 5: Solve for x
    x = 53,213,497.84/8,224.88
  6. Step 6: Final answer
    x = 6,469.82

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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.