Home / 12,321.33-18,468.77-4,416.24

Finding the Fourth Proportional to 12,321.33, 18,468.77 and 4,416.24

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Solution

The fourth proportional to 12,321.33, 18,468.77 and 4,416.24 is: 6,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321.33 : 18,468.77 = 4,416.24 : x
  2. Step 2: Convert to fraction form
    12,321.33/18,468.77 = 4,416.24/x
  3. Step 3: Cross multiply
    12,321.33x = 18,468.77 × 4,416.24
  4. Step 4: Simplify right side
    12,321.33x = 81,562,498.74
  5. Step 5: Solve for x
    x = 81,562,498.74/12,321.33
  6. Step 6: Final answer
    x = 6,619.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.