Home / 10,869.08-16,306.46-3,077.90

Finding the Fourth Proportional to 10,869.08, 16,306.46 and 3,077.90

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Solution

The fourth proportional to 10,869.08, 16,306.46 and 3,077.90 is: 4,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.08 : 16,306.46 = 3,077.90 : x
  2. Step 2: Convert to fraction form
    10,869.08/16,306.46 = 3,077.90/x
  3. Step 3: Cross multiply
    10,869.08x = 16,306.46 × 3,077.90
  4. Step 4: Simplify right side
    10,869.08x = 50,189,556.31
  5. Step 5: Solve for x
    x = 50,189,556.31/10,869.08
  6. Step 6: Final answer
    x = 4,617.65

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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.