Home / 7,619.35-11,433.38-4,109.34

Finding the Fourth Proportional to 7,619.35, 11,433.38 and 4,109.34

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Solution

The fourth proportional to 7,619.35, 11,433.38 and 4,109.34 is: 6,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.35 : 11,433.38 = 4,109.34 : x
  2. Step 2: Convert to fraction form
    7,619.35/11,433.38 = 4,109.34/x
  3. Step 3: Cross multiply
    7,619.35x = 11,433.38 × 4,109.34
  4. Step 4: Simplify right side
    7,619.35x = 46,983,645.77
  5. Step 5: Solve for x
    x = 46,983,645.77/7,619.35
  6. Step 6: Final answer
    x = 6,166.36

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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.