Home / 10,765.56-16,148.34-2,974.38

Finding the Fourth Proportional to 10,765.56, 16,148.34 and 2,974.38

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Solution

The fourth proportional to 10,765.56, 16,148.34 and 2,974.38 is: 4,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.56 : 16,148.34 = 2,974.38 : x
  2. Step 2: Convert to fraction form
    10,765.56/16,148.34 = 2,974.38/x
  3. Step 3: Cross multiply
    10,765.56x = 16,148.34 × 2,974.38
  4. Step 4: Simplify right side
    10,765.56x = 48,031,299.53
  5. Step 5: Solve for x
    x = 48,031,299.53/10,765.56
  6. Step 6: Final answer
    x = 4,461.57

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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.