Home / 8,845.85-12,205.49-5,016.78

Finding the Fourth Proportional to 8,845.85, 12,205.49 and 5,016.78

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Solution

The fourth proportional to 8,845.85, 12,205.49 and 5,016.78 is: 6,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.85 : 12,205.49 = 5,016.78 : x
  2. Step 2: Convert to fraction form
    8,845.85/12,205.49 = 5,016.78/x
  3. Step 3: Cross multiply
    8,845.85x = 12,205.49 × 5,016.78
  4. Step 4: Simplify right side
    8,845.85x = 61,232,233.04
  5. Step 5: Solve for x
    x = 61,232,233.04/8,845.85
  6. Step 6: Final answer
    x = 6,922.14

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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.