Home / 8,582.64-12,865.74-2,735.46

Finding the Fourth Proportional to 8,582.64, 12,865.74 and 2,735.46

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Solution

The fourth proportional to 8,582.64, 12,865.74 and 2,735.46 is: 4,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.64 : 12,865.74 = 2,735.46 : x
  2. Step 2: Convert to fraction form
    8,582.64/12,865.74 = 2,735.46/x
  3. Step 3: Cross multiply
    8,582.64x = 12,865.74 × 2,735.46
  4. Step 4: Simplify right side
    8,582.64x = 35,193,717.14
  5. Step 5: Solve for x
    x = 35,193,717.14/8,582.64
  6. Step 6: Final answer
    x = 4,100.57

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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.