Home / 7,358.78-11,014.04-4,021.92

Finding the Fourth Proportional to 7,358.78, 11,014.04 and 4,021.92

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Solution

The fourth proportional to 7,358.78, 11,014.04 and 4,021.92 is: 6,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.78 : 11,014.04 = 4,021.92 : x
  2. Step 2: Convert to fraction form
    7,358.78/11,014.04 = 4,021.92/x
  3. Step 3: Cross multiply
    7,358.78x = 11,014.04 × 4,021.92
  4. Step 4: Simplify right side
    7,358.78x = 44,297,597.81
  5. Step 5: Solve for x
    x = 44,297,597.81/7,358.78
  6. Step 6: Final answer
    x = 6,019.69

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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.