Home / 6,619.12-9,134.49-3,635.23

Finding the Fourth Proportional to 6,619.12, 9,134.49 and 3,635.23

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Solution

The fourth proportional to 6,619.12, 9,134.49 and 3,635.23 is: 5,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.12 : 9,134.49 = 3,635.23 : x
  2. Step 2: Convert to fraction form
    6,619.12/9,134.49 = 3,635.23/x
  3. Step 3: Cross multiply
    6,619.12x = 9,134.49 × 3,635.23
  4. Step 4: Simplify right side
    6,619.12x = 33,205,972.08
  5. Step 5: Solve for x
    x = 33,205,972.08/6,619.12
  6. Step 6: Final answer
    x = 5,016.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.