Home / 11,825.22-16,317-7,043.70

Finding the Fourth Proportional to 11,825.22, 16,317 and 7,043.70

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Solution

The fourth proportional to 11,825.22, 16,317 and 7,043.70 is: 9,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.22 : 16,317 = 7,043.70 : x
  2. Step 2: Convert to fraction form
    11,825.22/16,317 = 7,043.70/x
  3. Step 3: Cross multiply
    11,825.22x = 16,317 × 7,043.70
  4. Step 4: Simplify right side
    11,825.22x = 114,932,052.90
  5. Step 5: Solve for x
    x = 114,932,052.90/11,825.22
  6. Step 6: Final answer
    x = 9,719.23

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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.