Home / 9,427.44-13,012.22-5,450.86

Finding the Fourth Proportional to 9,427.44, 13,012.22 and 5,450.86

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Solution

The fourth proportional to 9,427.44, 13,012.22 and 5,450.86 is: 7,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.44 : 13,012.22 = 5,450.86 : x
  2. Step 2: Convert to fraction form
    9,427.44/13,012.22 = 5,450.86/x
  3. Step 3: Cross multiply
    9,427.44x = 13,012.22 × 5,450.86
  4. Step 4: Simplify right side
    9,427.44x = 70,927,789.51
  5. Step 5: Solve for x
    x = 70,927,789.51/9,427.44
  6. Step 6: Final answer
    x = 7,523.55

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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.