Home / 8,208.08-12,313.19-3,764.68

Finding the Fourth Proportional to 8,208.08, 12,313.19 and 3,764.68

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Solution

The fourth proportional to 8,208.08, 12,313.19 and 3,764.68 is: 5,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.08 : 12,313.19 = 3,764.68 : x
  2. Step 2: Convert to fraction form
    8,208.08/12,313.19 = 3,764.68/x
  3. Step 3: Cross multiply
    8,208.08x = 12,313.19 × 3,764.68
  4. Step 4: Simplify right side
    8,208.08x = 46,355,188.17
  5. Step 5: Solve for x
    x = 46,355,188.17/8,208.08
  6. Step 6: Final answer
    x = 5,647.50

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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.