Home / 8,736.24-13,104.36-2,893.20

Finding the Fourth Proportional to 8,736.24, 13,104.36 and 2,893.20

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Solution

The fourth proportional to 8,736.24, 13,104.36 and 2,893.20 is: 4,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.24 : 13,104.36 = 2,893.20 : x
  2. Step 2: Convert to fraction form
    8,736.24/13,104.36 = 2,893.20/x
  3. Step 3: Cross multiply
    8,736.24x = 13,104.36 × 2,893.20
  4. Step 4: Simplify right side
    8,736.24x = 37,913,534.35
  5. Step 5: Solve for x
    x = 37,913,534.35/8,736.24
  6. Step 6: Final answer
    x = 4,339.80

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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.