Home / 7,467.92-11,192.16-5,728.04

Finding the Fourth Proportional to 7,467.92, 11,192.16 and 5,728.04

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Solution

The fourth proportional to 7,467.92, 11,192.16 and 5,728.04 is: 8,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.92 : 11,192.16 = 5,728.04 : x
  2. Step 2: Convert to fraction form
    7,467.92/11,192.16 = 5,728.04/x
  3. Step 3: Cross multiply
    7,467.92x = 11,192.16 × 5,728.04
  4. Step 4: Simplify right side
    7,467.92x = 64,109,140.17
  5. Step 5: Solve for x
    x = 64,109,140.17/7,467.92
  6. Step 6: Final answer
    x = 8,584.60

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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.