Home / 11,900.40-17,852.58-4,107.12

Finding the Fourth Proportional to 11,900.40, 17,852.58 and 4,107.12

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Solution

The fourth proportional to 11,900.40, 17,852.58 and 4,107.12 is: 6,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.40 : 17,852.58 = 4,107.12 : x
  2. Step 2: Convert to fraction form
    11,900.40/17,852.58 = 4,107.12/x
  3. Step 3: Cross multiply
    11,900.40x = 17,852.58 × 4,107.12
  4. Step 4: Simplify right side
    11,900.40x = 73,322,688.37
  5. Step 5: Solve for x
    x = 73,322,688.37/11,900.40
  6. Step 6: Final answer
    x = 6,161.36

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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.