Home / 8,419.71-12,629.57-2,576.27

Finding the Fourth Proportional to 8,419.71, 12,629.57 and 2,576.27

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Solution

The fourth proportional to 8,419.71, 12,629.57 and 2,576.27 is: 3,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.71 : 12,629.57 = 2,576.27 : x
  2. Step 2: Convert to fraction form
    8,419.71/12,629.57 = 2,576.27/x
  3. Step 3: Cross multiply
    8,419.71x = 12,629.57 × 2,576.27
  4. Step 4: Simplify right side
    8,419.71x = 32,537,182.30
  5. Step 5: Solve for x
    x = 32,537,182.30/8,419.71
  6. Step 6: Final answer
    x = 3,864.41

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Similar ratio
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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.