Home / 7,399.62-11,103.08-5,222.34

Finding the Fourth Proportional to 7,399.62, 11,103.08 and 5,222.34

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Solution

The fourth proportional to 7,399.62, 11,103.08 and 5,222.34 is: 7,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.62 : 11,103.08 = 5,222.34 : x
  2. Step 2: Convert to fraction form
    7,399.62/11,103.08 = 5,222.34/x
  3. Step 3: Cross multiply
    7,399.62x = 11,103.08 × 5,222.34
  4. Step 4: Simplify right side
    7,399.62x = 57,984,032.70
  5. Step 5: Solve for x
    x = 57,984,032.70/7,399.62
  6. Step 6: Final answer
    x = 7,836.08

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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.