Home / 10,096.85-15,147.67-3,171.35

Finding the Fourth Proportional to 10,096.85, 15,147.67 and 3,171.35

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Solution

The fourth proportional to 10,096.85, 15,147.67 and 3,171.35 is: 4,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,096.85 : 15,147.67 = 3,171.35 : x
  2. Step 2: Convert to fraction form
    10,096.85/15,147.67 = 3,171.35/x
  3. Step 3: Cross multiply
    10,096.85x = 15,147.67 × 3,171.35
  4. Step 4: Simplify right side
    10,096.85x = 48,038,471.66
  5. Step 5: Solve for x
    x = 48,038,471.66/10,096.85
  6. Step 6: Final answer
    x = 4,757.77

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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.