Home / 8,891.24-12,269.90-4,912.33

Finding the Fourth Proportional to 8,891.24, 12,269.90 and 4,912.33

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Solution

The fourth proportional to 8,891.24, 12,269.90 and 4,912.33 is: 6,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.24 : 12,269.90 = 4,912.33 : x
  2. Step 2: Convert to fraction form
    8,891.24/12,269.90 = 4,912.33/x
  3. Step 3: Cross multiply
    8,891.24x = 12,269.90 × 4,912.33
  4. Step 4: Simplify right side
    8,891.24x = 60,273,774.85
  5. Step 5: Solve for x
    x = 60,273,774.85/8,891.24
  6. Step 6: Final answer
    x = 6,779.01

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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.