Home / 9,429.44-13,014.32-5,450.48

Finding the Fourth Proportional to 9,429.44, 13,014.32 and 5,450.48

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Solution

The fourth proportional to 9,429.44, 13,014.32 and 5,450.48 is: 7,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.44 : 13,014.32 = 5,450.48 : x
  2. Step 2: Convert to fraction form
    9,429.44/13,014.32 = 5,450.48/x
  3. Step 3: Cross multiply
    9,429.44x = 13,014.32 × 5,450.48
  4. Step 4: Simplify right side
    9,429.44x = 70,934,290.87
  5. Step 5: Solve for x
    x = 70,934,290.87/9,429.44
  6. Step 6: Final answer
    x = 7,522.64

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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.