Home / 11,021.13-16,516.82-5,164.65

Finding the Fourth Proportional to 11,021.13, 16,516.82 and 5,164.65

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Solution

The fourth proportional to 11,021.13, 16,516.82 and 5,164.65 is: 7,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.13 : 16,516.82 = 5,164.65 : x
  2. Step 2: Convert to fraction form
    11,021.13/16,516.82 = 5,164.65/x
  3. Step 3: Cross multiply
    11,021.13x = 16,516.82 × 5,164.65
  4. Step 4: Simplify right side
    11,021.13x = 85,303,568.59
  5. Step 5: Solve for x
    x = 85,303,568.59/11,021.13
  6. Step 6: Final answer
    x = 7,740.00

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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.