Home / 8,736.63-13,106.27-2,894.60

Finding the Fourth Proportional to 8,736.63, 13,106.27 and 2,894.60

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Solution

The fourth proportional to 8,736.63, 13,106.27 and 2,894.60 is: 4,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.63 : 13,106.27 = 2,894.60 : x
  2. Step 2: Convert to fraction form
    8,736.63/13,106.27 = 2,894.60/x
  3. Step 3: Cross multiply
    8,736.63x = 13,106.27 × 2,894.60
  4. Step 4: Simplify right side
    8,736.63x = 37,937,449.14
  5. Step 5: Solve for x
    x = 37,937,449.14/8,736.63
  6. Step 6: Final answer
    x = 4,342.35

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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.