Home / 11,956.12-17,912.55-6,684.82

Finding the Fourth Proportional to 11,956.12, 17,912.55 and 6,684.82

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Solution

The fourth proportional to 11,956.12, 17,912.55 and 6,684.82 is: 10,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.12 : 17,912.55 = 6,684.82 : x
  2. Step 2: Convert to fraction form
    11,956.12/17,912.55 = 6,684.82/x
  3. Step 3: Cross multiply
    11,956.12x = 17,912.55 × 6,684.82
  4. Step 4: Simplify right side
    11,956.12x = 119,742,172.49
  5. Step 5: Solve for x
    x = 119,742,172.49/11,956.12
  6. Step 6: Final answer
    x = 10,015.14

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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.