Home / 8,049.09-11,107.85-4,905.57

Finding the Fourth Proportional to 8,049.09, 11,107.85 and 4,905.57

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Solution

The fourth proportional to 8,049.09, 11,107.85 and 4,905.57 is: 6,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.09 : 11,107.85 = 4,905.57 : x
  2. Step 2: Convert to fraction form
    8,049.09/11,107.85 = 4,905.57/x
  3. Step 3: Cross multiply
    8,049.09x = 11,107.85 × 4,905.57
  4. Step 4: Simplify right side
    8,049.09x = 54,490,335.72
  5. Step 5: Solve for x
    x = 54,490,335.72/8,049.09
  6. Step 6: Final answer
    x = 6,769.75

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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.