Home / 11,673.81-16,109.55-6,368.73

Finding the Fourth Proportional to 11,673.81, 16,109.55 and 6,368.73

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Solution

The fourth proportional to 11,673.81, 16,109.55 and 6,368.73 is: 8,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.81 : 16,109.55 = 6,368.73 : x
  2. Step 2: Convert to fraction form
    11,673.81/16,109.55 = 6,368.73/x
  3. Step 3: Cross multiply
    11,673.81x = 16,109.55 × 6,368.73
  4. Step 4: Simplify right side
    11,673.81x = 102,597,374.37
  5. Step 5: Solve for x
    x = 102,597,374.37/11,673.81
  6. Step 6: Final answer
    x = 8,788.68

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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.