Home / 12,043.52-18,065.75-3,722.79

Finding the Fourth Proportional to 12,043.52, 18,065.75 and 3,722.79

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Solution

The fourth proportional to 12,043.52, 18,065.75 and 3,722.79 is: 5,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.52 : 18,065.75 = 3,722.79 : x
  2. Step 2: Convert to fraction form
    12,043.52/18,065.75 = 3,722.79/x
  3. Step 3: Cross multiply
    12,043.52x = 18,065.75 × 3,722.79
  4. Step 4: Simplify right side
    12,043.52x = 67,254,993.44
  5. Step 5: Solve for x
    x = 67,254,993.44/12,043.52
  6. Step 6: Final answer
    x = 5,584.33

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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.