Home / 10,729.75-16,096.70-5,186.92

Finding the Fourth Proportional to 10,729.75, 16,096.70 and 5,186.92

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Solution

The fourth proportional to 10,729.75, 16,096.70 and 5,186.92 is: 7,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.75 : 16,096.70 = 5,186.92 : x
  2. Step 2: Convert to fraction form
    10,729.75/16,096.70 = 5,186.92/x
  3. Step 3: Cross multiply
    10,729.75x = 16,096.70 × 5,186.92
  4. Step 4: Simplify right side
    10,729.75x = 83,492,295.16
  5. Step 5: Solve for x
    x = 83,492,295.16/10,729.75
  6. Step 6: Final answer
    x = 7,781.38

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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.