Home / 7,409.37-11,119.68-3,516.51

Finding the Fourth Proportional to 7,409.37, 11,119.68 and 3,516.51

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Solution

The fourth proportional to 7,409.37, 11,119.68 and 3,516.51 is: 5,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.37 : 11,119.68 = 3,516.51 : x
  2. Step 2: Convert to fraction form
    7,409.37/11,119.68 = 3,516.51/x
  3. Step 3: Cross multiply
    7,409.37x = 11,119.68 × 3,516.51
  4. Step 4: Simplify right side
    7,409.37x = 39,102,465.92
  5. Step 5: Solve for x
    x = 39,102,465.92/7,409.37
  6. Step 6: Final answer
    x = 5,277.43

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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.