Home / 8,351.23-11,519.16-5,370.83

Finding the Fourth Proportional to 8,351.23, 11,519.16 and 5,370.83

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Solution

The fourth proportional to 8,351.23, 11,519.16 and 5,370.83 is: 7,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.23 : 11,519.16 = 5,370.83 : x
  2. Step 2: Convert to fraction form
    8,351.23/11,519.16 = 5,370.83/x
  3. Step 3: Cross multiply
    8,351.23x = 11,519.16 × 5,370.83
  4. Step 4: Simplify right side
    8,351.23x = 61,867,458.76
  5. Step 5: Solve for x
    x = 61,867,458.76/8,351.23
  6. Step 6: Final answer
    x = 7,408.19

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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.