Home / 10,576.41-15,861.78-3,179.22

Finding the Fourth Proportional to 10,576.41, 15,861.78 and 3,179.22

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Solution

The fourth proportional to 10,576.41, 15,861.78 and 3,179.22 is: 4,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.41 : 15,861.78 = 3,179.22 : x
  2. Step 2: Convert to fraction form
    10,576.41/15,861.78 = 3,179.22/x
  3. Step 3: Cross multiply
    10,576.41x = 15,861.78 × 3,179.22
  4. Step 4: Simplify right side
    10,576.41x = 50,428,088.21
  5. Step 5: Solve for x
    x = 50,428,088.21/10,576.41
  6. Step 6: Final answer
    x = 4,767.98

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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.