Home / 8,271.47-12,408.58-3,833.58

Finding the Fourth Proportional to 8,271.47, 12,408.58 and 3,833.58

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Solution

The fourth proportional to 8,271.47, 12,408.58 and 3,833.58 is: 5,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.47 : 12,408.58 = 3,833.58 : x
  2. Step 2: Convert to fraction form
    8,271.47/12,408.58 = 3,833.58/x
  3. Step 3: Cross multiply
    8,271.47x = 12,408.58 × 3,833.58
  4. Step 4: Simplify right side
    8,271.47x = 47,569,244.08
  5. Step 5: Solve for x
    x = 47,569,244.08/8,271.47
  6. Step 6: Final answer
    x = 5,751.00

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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.