Home / 11,883.90-16,400.26-6,579.60

Finding the Fourth Proportional to 11,883.90, 16,400.26 and 6,579.60

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Solution

The fourth proportional to 11,883.90, 16,400.26 and 6,579.60 is: 9,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.90 : 16,400.26 = 6,579.60 : x
  2. Step 2: Convert to fraction form
    11,883.90/16,400.26 = 6,579.60/x
  3. Step 3: Cross multiply
    11,883.90x = 16,400.26 × 6,579.60
  4. Step 4: Simplify right side
    11,883.90x = 107,907,150.70
  5. Step 5: Solve for x
    x = 107,907,150.70/11,883.90
  6. Step 6: Final answer
    x = 9,080.11

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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.