Home / 7,794.36-11,670.42-5,188.92

Finding the Fourth Proportional to 7,794.36, 11,670.42 and 5,188.92

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Solution

The fourth proportional to 7,794.36, 11,670.42 and 5,188.92 is: 7,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.36 : 11,670.42 = 5,188.92 : x
  2. Step 2: Convert to fraction form
    7,794.36/11,670.42 = 5,188.92/x
  3. Step 3: Cross multiply
    7,794.36x = 11,670.42 × 5,188.92
  4. Step 4: Simplify right side
    7,794.36x = 60,556,875.75
  5. Step 5: Solve for x
    x = 60,556,875.75/7,794.36
  6. Step 6: Final answer
    x = 7,769.32

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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.