Home / 11,384.28-15,710.24-6,348.44

Finding the Fourth Proportional to 11,384.28, 15,710.24 and 6,348.44

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Solution

The fourth proportional to 11,384.28, 15,710.24 and 6,348.44 is: 8,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.28 : 15,710.24 = 6,348.44 : x
  2. Step 2: Convert to fraction form
    11,384.28/15,710.24 = 6,348.44/x
  3. Step 3: Cross multiply
    11,384.28x = 15,710.24 × 6,348.44
  4. Step 4: Simplify right side
    11,384.28x = 99,735,516.03
  5. Step 5: Solve for x
    x = 99,735,516.03/11,384.28
  6. Step 6: Final answer
    x = 8,760.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.