Home / 11,894.20-17,812.50-7,498.60

Finding the Fourth Proportional to 11,894.20, 17,812.50 and 7,498.60

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Solution

The fourth proportional to 11,894.20, 17,812.50 and 7,498.60 is: 11,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.20 : 17,812.50 = 7,498.60 : x
  2. Step 2: Convert to fraction form
    11,894.20/17,812.50 = 7,498.60/x
  3. Step 3: Cross multiply
    11,894.20x = 17,812.50 × 7,498.60
  4. Step 4: Simplify right side
    11,894.20x = 133,568,812.50
  5. Step 5: Solve for x
    x = 133,568,812.50/11,894.20
  6. Step 6: Final answer
    x = 11,229.74

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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.