Home / 11,942.20-16,482.33-6,905.62

Finding the Fourth Proportional to 11,942.20, 16,482.33 and 6,905.62

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Solution

The fourth proportional to 11,942.20, 16,482.33 and 6,905.62 is: 9,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.20 : 16,482.33 = 6,905.62 : x
  2. Step 2: Convert to fraction form
    11,942.20/16,482.33 = 6,905.62/x
  3. Step 3: Cross multiply
    11,942.20x = 16,482.33 × 6,905.62
  4. Step 4: Simplify right side
    11,942.20x = 113,820,707.69
  5. Step 5: Solve for x
    x = 113,820,707.69/11,942.20
  6. Step 6: Final answer
    x = 9,530.97

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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.