Home / 11,212.48-16,812.24-5,361.04

Finding the Fourth Proportional to 11,212.48, 16,812.24 and 5,361.04

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Solution

The fourth proportional to 11,212.48, 16,812.24 and 5,361.04 is: 8,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.48 : 16,812.24 = 5,361.04 : x
  2. Step 2: Convert to fraction form
    11,212.48/16,812.24 = 5,361.04/x
  3. Step 3: Cross multiply
    11,212.48x = 16,812.24 × 5,361.04
  4. Step 4: Simplify right side
    11,212.48x = 90,131,091.13
  5. Step 5: Solve for x
    x = 90,131,091.13/11,212.48
  6. Step 6: Final answer
    x = 8,038.46

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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.