Home / 7,789.61-11,684.52-2,243.05

Finding the Fourth Proportional to 7,789.61, 11,684.52 and 2,243.05

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Solution

The fourth proportional to 7,789.61, 11,684.52 and 2,243.05 is: 3,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.61 : 11,684.52 = 2,243.05 : x
  2. Step 2: Convert to fraction form
    7,789.61/11,684.52 = 2,243.05/x
  3. Step 3: Cross multiply
    7,789.61x = 11,684.52 × 2,243.05
  4. Step 4: Simplify right side
    7,789.61x = 26,208,933.37
  5. Step 5: Solve for x
    x = 26,208,933.37/7,789.61
  6. Step 6: Final answer
    x = 3,364.60

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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.