Home / 11,052.12-15,236.31-7,902.84

Finding the Fourth Proportional to 11,052.12, 15,236.31 and 7,902.84

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Solution

The fourth proportional to 11,052.12, 15,236.31 and 7,902.84 is: 10,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.12 : 15,236.31 = 7,902.84 : x
  2. Step 2: Convert to fraction form
    11,052.12/15,236.31 = 7,902.84/x
  3. Step 3: Cross multiply
    11,052.12x = 15,236.31 × 7,902.84
  4. Step 4: Simplify right side
    11,052.12x = 120,410,120.12
  5. Step 5: Solve for x
    x = 120,410,120.12/11,052.12
  6. Step 6: Final answer
    x = 10,894.75

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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.