Home / 8,224.44-11,346.54-5,239.74

Finding the Fourth Proportional to 8,224.44, 11,346.54 and 5,239.74

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Solution

The fourth proportional to 8,224.44, 11,346.54 and 5,239.74 is: 7,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.44 : 11,346.54 = 5,239.74 : x
  2. Step 2: Convert to fraction form
    8,224.44/11,346.54 = 5,239.74/x
  3. Step 3: Cross multiply
    8,224.44x = 11,346.54 × 5,239.74
  4. Step 4: Simplify right side
    8,224.44x = 59,452,919.50
  5. Step 5: Solve for x
    x = 59,452,919.50/8,224.44
  6. Step 6: Final answer
    x = 7,228.81

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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.