Home / 8,205.24-11,321.97-4,620.01

Finding the Fourth Proportional to 8,205.24, 11,321.97 and 4,620.01

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Solution

The fourth proportional to 8,205.24, 11,321.97 and 4,620.01 is: 6,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.24 : 11,321.97 = 4,620.01 : x
  2. Step 2: Convert to fraction form
    8,205.24/11,321.97 = 4,620.01/x
  3. Step 3: Cross multiply
    8,205.24x = 11,321.97 × 4,620.01
  4. Step 4: Simplify right side
    8,205.24x = 52,307,594.36
  5. Step 5: Solve for x
    x = 52,307,594.36/8,205.24
  6. Step 6: Final answer
    x = 6,374.90

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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.