Home / 11,299.46-16,959.54-5,756.78

Finding the Fourth Proportional to 11,299.46, 16,959.54 and 5,756.78

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Solution

The fourth proportional to 11,299.46, 16,959.54 and 5,756.78 is: 8,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.46 : 16,959.54 = 5,756.78 : x
  2. Step 2: Convert to fraction form
    11,299.46/16,959.54 = 5,756.78/x
  3. Step 3: Cross multiply
    11,299.46x = 16,959.54 × 5,756.78
  4. Step 4: Simplify right side
    11,299.46x = 97,632,340.68
  5. Step 5: Solve for x
    x = 97,632,340.68/11,299.46
  6. Step 6: Final answer
    x = 8,640.44

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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.