Home / 11,208.06-16,815.74-5,365.13

Finding the Fourth Proportional to 11,208.06, 16,815.74 and 5,365.13

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Solution

The fourth proportional to 11,208.06, 16,815.74 and 5,365.13 is: 8,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.06 : 16,815.74 = 5,365.13 : x
  2. Step 2: Convert to fraction form
    11,208.06/16,815.74 = 5,365.13/x
  3. Step 3: Cross multiply
    11,208.06x = 16,815.74 × 5,365.13
  4. Step 4: Simplify right side
    11,208.06x = 90,218,520.24
  5. Step 5: Solve for x
    x = 90,218,520.24/11,208.06
  6. Step 6: Final answer
    x = 8,049.43

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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.