Home / 11,999.21-16,560.06-6,694.52

Finding the Fourth Proportional to 11,999.21, 16,560.06 and 6,694.52

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Solution

The fourth proportional to 11,999.21, 16,560.06 and 6,694.52 is: 9,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.21 : 16,560.06 = 6,694.52 : x
  2. Step 2: Convert to fraction form
    11,999.21/16,560.06 = 6,694.52/x
  3. Step 3: Cross multiply
    11,999.21x = 16,560.06 × 6,694.52
  4. Step 4: Simplify right side
    11,999.21x = 110,861,652.87
  5. Step 5: Solve for x
    x = 110,861,652.87/11,999.21
  6. Step 6: Final answer
    x = 9,239.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.