Home / 7,092.11-10,638.16-3,191.96

Finding the Fourth Proportional to 7,092.11, 10,638.16 and 3,191.96

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Solution

The fourth proportional to 7,092.11, 10,638.16 and 3,191.96 is: 4,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.11 : 10,638.16 = 3,191.96 : x
  2. Step 2: Convert to fraction form
    7,092.11/10,638.16 = 3,191.96/x
  3. Step 3: Cross multiply
    7,092.11x = 10,638.16 × 3,191.96
  4. Step 4: Simplify right side
    7,092.11x = 33,956,581.19
  5. Step 5: Solve for x
    x = 33,956,581.19/7,092.11
  6. Step 6: Final answer
    x = 4,787.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.