Home / 11,817.16-17,728.78-3,496.84

Finding the Fourth Proportional to 11,817.16, 17,728.78 and 3,496.84

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Solution

The fourth proportional to 11,817.16, 17,728.78 and 3,496.84 is: 5,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.16 : 17,728.78 = 3,496.84 : x
  2. Step 2: Convert to fraction form
    11,817.16/17,728.78 = 3,496.84/x
  3. Step 3: Cross multiply
    11,817.16x = 17,728.78 × 3,496.84
  4. Step 4: Simplify right side
    11,817.16x = 61,994,707.06
  5. Step 5: Solve for x
    x = 61,994,707.06/11,817.16
  6. Step 6: Final answer
    x = 5,246.16

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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.