Home / 11,922.75-16,449.60-6,886.32

Finding the Fourth Proportional to 11,922.75, 16,449.60 and 6,886.32

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Solution

The fourth proportional to 11,922.75, 16,449.60 and 6,886.32 is: 9,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.75 : 16,449.60 = 6,886.32 : x
  2. Step 2: Convert to fraction form
    11,922.75/16,449.60 = 6,886.32/x
  3. Step 3: Cross multiply
    11,922.75x = 16,449.60 × 6,886.32
  4. Step 4: Simplify right side
    11,922.75x = 113,277,209.47
  5. Step 5: Solve for x
    x = 113,277,209.47/11,922.75
  6. Step 6: Final answer
    x = 9,500.93

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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.