Home / 11,765.56-16,236.70-6,730.60

Finding the Fourth Proportional to 11,765.56, 16,236.70 and 6,730.60

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Solution

The fourth proportional to 11,765.56, 16,236.70 and 6,730.60 is: 9,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.56 : 16,236.70 = 6,730.60 : x
  2. Step 2: Convert to fraction form
    11,765.56/16,236.70 = 6,730.60/x
  3. Step 3: Cross multiply
    11,765.56x = 16,236.70 × 6,730.60
  4. Step 4: Simplify right side
    11,765.56x = 109,282,733.02
  5. Step 5: Solve for x
    x = 109,282,733.02/11,765.56
  6. Step 6: Final answer
    x = 9,288.36

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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.