Home / 11,825.17-16,318.39-6,789.60

Finding the Fourth Proportional to 11,825.17, 16,318.39 and 6,789.60

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Solution

The fourth proportional to 11,825.17, 16,318.39 and 6,789.60 is: 9,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.17 : 16,318.39 = 6,789.60 : x
  2. Step 2: Convert to fraction form
    11,825.17/16,318.39 = 6,789.60/x
  3. Step 3: Cross multiply
    11,825.17x = 16,318.39 × 6,789.60
  4. Step 4: Simplify right side
    11,825.17x = 110,795,340.74
  5. Step 5: Solve for x
    x = 110,795,340.74/11,825.17
  6. Step 6: Final answer
    x = 9,369.45

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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.