Home / 11,085.20-16,627.80-7,394.64

Finding the Fourth Proportional to 11,085.20, 16,627.80 and 7,394.64

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Solution

The fourth proportional to 11,085.20, 16,627.80 and 7,394.64 is: 11,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.20 : 16,627.80 = 7,394.64 : x
  2. Step 2: Convert to fraction form
    11,085.20/16,627.80 = 7,394.64/x
  3. Step 3: Cross multiply
    11,085.20x = 16,627.80 × 7,394.64
  4. Step 4: Simplify right side
    11,085.20x = 122,956,474.88
  5. Step 5: Solve for x
    x = 122,956,474.88/11,085.20
  6. Step 6: Final answer
    x = 11,091.95

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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.