Home / 11,970.73-17,955.75-3,205.64

Finding the Fourth Proportional to 11,970.73, 17,955.75 and 3,205.64

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Solution

The fourth proportional to 11,970.73, 17,955.75 and 3,205.64 is: 4,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.73 : 17,955.75 = 3,205.64 : x
  2. Step 2: Convert to fraction form
    11,970.73/17,955.75 = 3,205.64/x
  3. Step 3: Cross multiply
    11,970.73x = 17,955.75 × 3,205.64
  4. Step 4: Simplify right side
    11,970.73x = 57,559,709.31
  5. Step 5: Solve for x
    x = 57,559,709.31/11,970.73
  6. Step 6: Final answer
    x = 4,808.37

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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.