Home / 11,852.27-16,431.02-11,220.24

Finding the Fourth Proportional to 11,852.27, 16,431.02 and 11,220.24

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Solution

The fourth proportional to 11,852.27, 16,431.02 and 11,220.24 is: 15,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.27 : 16,431.02 = 11,220.24 : x
  2. Step 2: Convert to fraction form
    11,852.27/16,431.02 = 11,220.24/x
  3. Step 3: Cross multiply
    11,852.27x = 16,431.02 × 11,220.24
  4. Step 4: Simplify right side
    11,852.27x = 184,360,028.92
  5. Step 5: Solve for x
    x = 184,360,028.92/11,852.27
  6. Step 6: Final answer
    x = 15,554.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.