Home / 11,825.37-16,317.99-6,518.88

Finding the Fourth Proportional to 11,825.37, 16,317.99 and 6,518.88

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Solution

The fourth proportional to 11,825.37, 16,317.99 and 6,518.88 is: 8,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.37 : 16,317.99 = 6,518.88 : x
  2. Step 2: Convert to fraction form
    11,825.37/16,317.99 = 6,518.88/x
  3. Step 3: Cross multiply
    11,825.37x = 16,317.99 × 6,518.88
  4. Step 4: Simplify right side
    11,825.37x = 106,375,018.65
  5. Step 5: Solve for x
    x = 106,375,018.65/11,825.37
  6. Step 6: Final answer
    x = 8,995.49

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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.