Home / 7,438.75-11,152.32-3,924.16

Finding the Fourth Proportional to 7,438.75, 11,152.32 and 3,924.16

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Solution

The fourth proportional to 7,438.75, 11,152.32 and 3,924.16 is: 5,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.75 : 11,152.32 = 3,924.16 : x
  2. Step 2: Convert to fraction form
    7,438.75/11,152.32 = 3,924.16/x
  3. Step 3: Cross multiply
    7,438.75x = 11,152.32 × 3,924.16
  4. Step 4: Simplify right side
    7,438.75x = 43,763,488.05
  5. Step 5: Solve for x
    x = 43,763,488.05/7,438.75
  6. Step 6: Final answer
    x = 5,883.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.