Home / 11,674.20-16,109.56-6,368.90

Finding the Fourth Proportional to 11,674.20, 16,109.56 and 6,368.90

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Solution

The fourth proportional to 11,674.20, 16,109.56 and 6,368.90 is: 8,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.20 : 16,109.56 = 6,368.90 : x
  2. Step 2: Convert to fraction form
    11,674.20/16,109.56 = 6,368.90/x
  3. Step 3: Cross multiply
    11,674.20x = 16,109.56 × 6,368.90
  4. Step 4: Simplify right side
    11,674.20x = 102,600,176.68
  5. Step 5: Solve for x
    x = 102,600,176.68/11,674.20
  6. Step 6: Final answer
    x = 8,788.63

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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.