Home / 11,553.12-17,325.09-4,155.30

Finding the Fourth Proportional to 11,553.12, 17,325.09 and 4,155.30

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Solution

The fourth proportional to 11,553.12, 17,325.09 and 4,155.30 is: 6,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.12 : 17,325.09 = 4,155.30 : x
  2. Step 2: Convert to fraction form
    11,553.12/17,325.09 = 4,155.30/x
  3. Step 3: Cross multiply
    11,553.12x = 17,325.09 × 4,155.30
  4. Step 4: Simplify right side
    11,553.12x = 71,990,946.48
  5. Step 5: Solve for x
    x = 71,990,946.48/11,553.12
  6. Step 6: Final answer
    x = 6,231.30

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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.