Home / 11,043.70-15,245.28-7,268.85

Finding the Fourth Proportional to 11,043.70, 15,245.28 and 7,268.85

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Solution

The fourth proportional to 11,043.70, 15,245.28 and 7,268.85 is: 10,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.70 : 15,245.28 = 7,268.85 : x
  2. Step 2: Convert to fraction form
    11,043.70/15,245.28 = 7,268.85/x
  3. Step 3: Cross multiply
    11,043.70x = 15,245.28 × 7,268.85
  4. Step 4: Simplify right side
    11,043.70x = 110,815,540.96
  5. Step 5: Solve for x
    x = 110,815,540.96/11,043.70
  6. Step 6: Final answer
    x = 10,034.28

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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.