Home / 12,317.92-18,474.64-3,550.68

Finding the Fourth Proportional to 12,317.92, 18,474.64 and 3,550.68

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Solution

The fourth proportional to 12,317.92, 18,474.64 and 3,550.68 is: 5,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.92 : 18,474.64 = 3,550.68 : x
  2. Step 2: Convert to fraction form
    12,317.92/18,474.64 = 3,550.68/x
  3. Step 3: Cross multiply
    12,317.92x = 18,474.64 × 3,550.68
  4. Step 4: Simplify right side
    12,317.92x = 65,597,534.76
  5. Step 5: Solve for x
    x = 65,597,534.76/12,317.92
  6. Step 6: Final answer
    x = 5,325.37

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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.