Home / 7,540.28-11,306.62-4,421.04

Finding the Fourth Proportional to 7,540.28, 11,306.62 and 4,421.04

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Solution

The fourth proportional to 7,540.28, 11,306.62 and 4,421.04 is: 6,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.28 : 11,306.62 = 4,421.04 : x
  2. Step 2: Convert to fraction form
    7,540.28/11,306.62 = 4,421.04/x
  3. Step 3: Cross multiply
    7,540.28x = 11,306.62 × 4,421.04
  4. Step 4: Simplify right side
    7,540.28x = 49,987,019.28
  5. Step 5: Solve for x
    x = 49,987,019.28/7,540.28
  6. Step 6: Final answer
    x = 6,629.33

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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.