Home / 7,784.54-11,675.08-2,236.65

Finding the Fourth Proportional to 7,784.54, 11,675.08 and 2,236.65

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Solution

The fourth proportional to 7,784.54, 11,675.08 and 2,236.65 is: 3,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.54 : 11,675.08 = 2,236.65 : x
  2. Step 2: Convert to fraction form
    7,784.54/11,675.08 = 2,236.65/x
  3. Step 3: Cross multiply
    7,784.54x = 11,675.08 × 2,236.65
  4. Step 4: Simplify right side
    7,784.54x = 26,113,067.68
  5. Step 5: Solve for x
    x = 26,113,067.68/7,784.54
  6. Step 6: Final answer
    x = 3,354.48

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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.