Home / 11,467.20-17,200.80-4,893.60

Finding the Fourth Proportional to 11,467.20, 17,200.80 and 4,893.60

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Solution

The fourth proportional to 11,467.20, 17,200.80 and 4,893.60 is: 7,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467.20 : 17,200.80 = 4,893.60 : x
  2. Step 2: Convert to fraction form
    11,467.20/17,200.80 = 4,893.60/x
  3. Step 3: Cross multiply
    11,467.20x = 17,200.80 × 4,893.60
  4. Step 4: Simplify right side
    11,467.20x = 84,173,834.88
  5. Step 5: Solve for x
    x = 84,173,834.88/11,467.20
  6. Step 6: Final answer
    x = 7,340.40

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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.