Home / 11,116.83-16,679.37-5,197.08

Finding the Fourth Proportional to 11,116.83, 16,679.37 and 5,197.08

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Solution

The fourth proportional to 11,116.83, 16,679.37 and 5,197.08 is: 7,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.83 : 16,679.37 = 5,197.08 : x
  2. Step 2: Convert to fraction form
    11,116.83/16,679.37 = 5,197.08/x
  3. Step 3: Cross multiply
    11,116.83x = 16,679.37 × 5,197.08
  4. Step 4: Simplify right side
    11,116.83x = 86,684,020.24
  5. Step 5: Solve for x
    x = 86,684,020.24/11,116.83
  6. Step 6: Final answer
    x = 7,797.55

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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.