Home / 11,911.46-17,870.66-5,336.12

Finding the Fourth Proportional to 11,911.46, 17,870.66 and 5,336.12

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Solution

The fourth proportional to 11,911.46, 17,870.66 and 5,336.12 is: 8,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.46 : 17,870.66 = 5,336.12 : x
  2. Step 2: Convert to fraction form
    11,911.46/17,870.66 = 5,336.12/x
  3. Step 3: Cross multiply
    11,911.46x = 17,870.66 × 5,336.12
  4. Step 4: Simplify right side
    11,911.46x = 95,359,986.24
  5. Step 5: Solve for x
    x = 95,359,986.24/11,911.46
  6. Step 6: Final answer
    x = 8,005.73

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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.