Home / 10,102.41-13,936.44-6,516.42

Finding the Fourth Proportional to 10,102.41, 13,936.44 and 6,516.42

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Solution

The fourth proportional to 10,102.41, 13,936.44 and 6,516.42 is: 8,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.41 : 13,936.44 = 6,516.42 : x
  2. Step 2: Convert to fraction form
    10,102.41/13,936.44 = 6,516.42/x
  3. Step 3: Cross multiply
    10,102.41x = 13,936.44 × 6,516.42
  4. Step 4: Simplify right side
    10,102.41x = 90,815,696.34
  5. Step 5: Solve for x
    x = 90,815,696.34/10,102.41
  6. Step 6: Final answer
    x = 8,989.51

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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.