Home / 11,260.92-15,546.42-7,729.32

Finding the Fourth Proportional to 11,260.92, 15,546.42 and 7,729.32

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Solution

The fourth proportional to 11,260.92, 15,546.42 and 7,729.32 is: 10,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.92 : 15,546.42 = 7,729.32 : x
  2. Step 2: Convert to fraction form
    11,260.92/15,546.42 = 7,729.32/x
  3. Step 3: Cross multiply
    11,260.92x = 15,546.42 × 7,729.32
  4. Step 4: Simplify right side
    11,260.92x = 120,163,255.03
  5. Step 5: Solve for x
    x = 120,163,255.03/11,260.92
  6. Step 6: Final answer
    x = 10,670.82

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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.