Home / 11,021.42-16,517.70-5,097.56

Finding the Fourth Proportional to 11,021.42, 16,517.70 and 5,097.56

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Solution

The fourth proportional to 11,021.42, 16,517.70 and 5,097.56 is: 7,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.42 : 16,517.70 = 5,097.56 : x
  2. Step 2: Convert to fraction form
    11,021.42/16,517.70 = 5,097.56/x
  3. Step 3: Cross multiply
    11,021.42x = 16,517.70 × 5,097.56
  4. Step 4: Simplify right side
    11,021.42x = 84,199,916.34
  5. Step 5: Solve for x
    x = 84,199,916.34/11,021.42
  6. Step 6: Final answer
    x = 7,639.66

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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.