Home / 7,778.07-11,667.24-1,934.73

Finding the Fourth Proportional to 7,778.07, 11,667.24 and 1,934.73

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Solution

The fourth proportional to 7,778.07, 11,667.24 and 1,934.73 is: 2,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.07 : 11,667.24 = 1,934.73 : x
  2. Step 2: Convert to fraction form
    7,778.07/11,667.24 = 1,934.73/x
  3. Step 3: Cross multiply
    7,778.07x = 11,667.24 × 1,934.73
  4. Step 4: Simplify right side
    7,778.07x = 22,572,959.25
  5. Step 5: Solve for x
    x = 22,572,959.25/7,778.07
  6. Step 6: Final answer
    x = 2,902.13

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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.