Home / 10,096.28-15,137.58-5,161.90

Finding the Fourth Proportional to 10,096.28, 15,137.58 and 5,161.90

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Solution

The fourth proportional to 10,096.28, 15,137.58 and 5,161.90 is: 7,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,096.28 : 15,137.58 = 5,161.90 : x
  2. Step 2: Convert to fraction form
    10,096.28/15,137.58 = 5,161.90/x
  3. Step 3: Cross multiply
    10,096.28x = 15,137.58 × 5,161.90
  4. Step 4: Simplify right side
    10,096.28x = 78,138,674.20
  5. Step 5: Solve for x
    x = 78,138,674.20/10,096.28
  6. Step 6: Final answer
    x = 7,739.35

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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.