Home / 8,583.28-12,880.69-3,036.60

Finding the Fourth Proportional to 8,583.28, 12,880.69 and 3,036.60

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Solution

The fourth proportional to 8,583.28, 12,880.69 and 3,036.60 is: 4,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.28 : 12,880.69 = 3,036.60 : x
  2. Step 2: Convert to fraction form
    8,583.28/12,880.69 = 3,036.60/x
  3. Step 3: Cross multiply
    8,583.28x = 12,880.69 × 3,036.60
  4. Step 4: Simplify right side
    8,583.28x = 39,113,495.66
  5. Step 5: Solve for x
    x = 39,113,495.66/8,583.28
  6. Step 6: Final answer
    x = 4,556.94

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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.