Home / 10,765.65-16,149.41-2,974.47

Finding the Fourth Proportional to 10,765.65, 16,149.41 and 2,974.47

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Solution

The fourth proportional to 10,765.65, 16,149.41 and 2,974.47 is: 4,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.65 : 16,149.41 = 2,974.47 : x
  2. Step 2: Convert to fraction form
    10,765.65/16,149.41 = 2,974.47/x
  3. Step 3: Cross multiply
    10,765.65x = 16,149.41 × 2,974.47
  4. Step 4: Simplify right side
    10,765.65x = 48,035,935.56
  5. Step 5: Solve for x
    x = 48,035,935.56/10,765.65
  6. Step 6: Final answer
    x = 4,461.96

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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.