Home / 11,852.36-17,778.72-3,954.74

Finding the Fourth Proportional to 11,852.36, 17,778.72 and 3,954.74

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Solution

The fourth proportional to 11,852.36, 17,778.72 and 3,954.74 is: 5,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.36 : 17,778.72 = 3,954.74 : x
  2. Step 2: Convert to fraction form
    11,852.36/17,778.72 = 3,954.74/x
  3. Step 3: Cross multiply
    11,852.36x = 17,778.72 × 3,954.74
  4. Step 4: Simplify right side
    11,852.36x = 70,310,215.13
  5. Step 5: Solve for x
    x = 70,310,215.13/11,852.36
  6. Step 6: Final answer
    x = 5,932.17

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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.