Home / 8,123.09-11,211.72-4,766.04

Finding the Fourth Proportional to 8,123.09, 11,211.72 and 4,766.04

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Solution

The fourth proportional to 8,123.09, 11,211.72 and 4,766.04 is: 6,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.09 : 11,211.72 = 4,766.04 : x
  2. Step 2: Convert to fraction form
    8,123.09/11,211.72 = 4,766.04/x
  3. Step 3: Cross multiply
    8,123.09x = 11,211.72 × 4,766.04
  4. Step 4: Simplify right side
    8,123.09x = 53,435,488.12
  5. Step 5: Solve for x
    x = 53,435,488.12/8,123.09
  6. Step 6: Final answer
    x = 6,578.23

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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.