Home / 11,222.60-16,833.89-3,431.34

Finding the Fourth Proportional to 11,222.60, 16,833.89 and 3,431.34

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Solution

The fourth proportional to 11,222.60, 16,833.89 and 3,431.34 is: 5,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.60 : 16,833.89 = 3,431.34 : x
  2. Step 2: Convert to fraction form
    11,222.60/16,833.89 = 3,431.34/x
  3. Step 3: Cross multiply
    11,222.60x = 16,833.89 × 3,431.34
  4. Step 4: Simplify right side
    11,222.60x = 57,762,808.69
  5. Step 5: Solve for x
    x = 57,762,808.69/11,222.60
  6. Step 6: Final answer
    x = 5,147.01

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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.