Home / 11,261.99-16,868.38-5,705.80

Finding the Fourth Proportional to 11,261.99, 16,868.38 and 5,705.80

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Solution

The fourth proportional to 11,261.99, 16,868.38 and 5,705.80 is: 8,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.99 : 16,868.38 = 5,705.80 : x
  2. Step 2: Convert to fraction form
    11,261.99/16,868.38 = 5,705.80/x
  3. Step 3: Cross multiply
    11,261.99x = 16,868.38 × 5,705.80
  4. Step 4: Simplify right side
    11,261.99x = 96,247,602.60
  5. Step 5: Solve for x
    x = 96,247,602.60/11,261.99
  6. Step 6: Final answer
    x = 8,546.23

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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.