Home / 7,448.11-11,173.61-2,830.75

Finding the Fourth Proportional to 7,448.11, 11,173.61 and 2,830.75

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Solution

The fourth proportional to 7,448.11, 11,173.61 and 2,830.75 is: 4,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.11 : 11,173.61 = 2,830.75 : x
  2. Step 2: Convert to fraction form
    7,448.11/11,173.61 = 2,830.75/x
  3. Step 3: Cross multiply
    7,448.11x = 11,173.61 × 2,830.75
  4. Step 4: Simplify right side
    7,448.11x = 31,629,682.35
  5. Step 5: Solve for x
    x = 31,629,682.35/7,448.11
  6. Step 6: Final answer
    x = 4,246.67

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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.