Home / 8,872.21-12,243.46-4,893.69

Finding the Fourth Proportional to 8,872.21, 12,243.46 and 4,893.69

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Solution

The fourth proportional to 8,872.21, 12,243.46 and 4,893.69 is: 6,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.21 : 12,243.46 = 4,893.69 : x
  2. Step 2: Convert to fraction form
    8,872.21/12,243.46 = 4,893.69/x
  3. Step 3: Cross multiply
    8,872.21x = 12,243.46 × 4,893.69
  4. Step 4: Simplify right side
    8,872.21x = 59,915,697.77
  5. Step 5: Solve for x
    x = 59,915,697.77/8,872.21
  6. Step 6: Final answer
    x = 6,753.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.