Home / 12,043.53-18,065.76-3,722.79

Finding the Fourth Proportional to 12,043.53, 18,065.76 and 3,722.79

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Solution

The fourth proportional to 12,043.53, 18,065.76 and 3,722.79 is: 5,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.53 : 18,065.76 = 3,722.79 : x
  2. Step 2: Convert to fraction form
    12,043.53/18,065.76 = 3,722.79/x
  3. Step 3: Cross multiply
    12,043.53x = 18,065.76 × 3,722.79
  4. Step 4: Simplify right side
    12,043.53x = 67,255,030.67
  5. Step 5: Solve for x
    x = 67,255,030.67/12,043.53
  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.