Home / 11,438.44-15,782.46-7,244.28

Finding the Fourth Proportional to 11,438.44, 15,782.46 and 7,244.28

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Solution

The fourth proportional to 11,438.44, 15,782.46 and 7,244.28 is: 9,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.44 : 15,782.46 = 7,244.28 : x
  2. Step 2: Convert to fraction form
    11,438.44/15,782.46 = 7,244.28/x
  3. Step 3: Cross multiply
    11,438.44x = 15,782.46 × 7,244.28
  4. Step 4: Simplify right side
    11,438.44x = 114,332,559.33
  5. Step 5: Solve for x
    x = 114,332,559.33/11,438.44
  6. Step 6: Final answer
    x = 9,995.47

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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.