Home / 7,794.36-11,695.47-3,411.84

Finding the Fourth Proportional to 7,794.36, 11,695.47 and 3,411.84

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Solution

The fourth proportional to 7,794.36, 11,695.47 and 3,411.84 is: 5,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.36 : 11,695.47 = 3,411.84 : x
  2. Step 2: Convert to fraction form
    7,794.36/11,695.47 = 3,411.84/x
  3. Step 3: Cross multiply
    7,794.36x = 11,695.47 × 3,411.84
  4. Step 4: Simplify right side
    7,794.36x = 39,903,072.36
  5. Step 5: Solve for x
    x = 39,903,072.36/7,794.36
  6. Step 6: Final answer
    x = 5,119.48

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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.