Home / 10,911.84-16,370.97-3,516.12

Finding the Fourth Proportional to 10,911.84, 16,370.97 and 3,516.12

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Solution

The fourth proportional to 10,911.84, 16,370.97 and 3,516.12 is: 5,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.84 : 16,370.97 = 3,516.12 : x
  2. Step 2: Convert to fraction form
    10,911.84/16,370.97 = 3,516.12/x
  3. Step 3: Cross multiply
    10,911.84x = 16,370.97 × 3,516.12
  4. Step 4: Simplify right side
    10,911.84x = 57,562,295.04
  5. Step 5: Solve for x
    x = 57,562,295.04/10,911.84
  6. Step 6: Final answer
    x = 5,275.21

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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.