Home / 10,311.54-15,464.55-2,914.26

Finding the Fourth Proportional to 10,311.54, 15,464.55 and 2,914.26

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Solution

The fourth proportional to 10,311.54, 15,464.55 and 2,914.26 is: 4,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.54 : 15,464.55 = 2,914.26 : x
  2. Step 2: Convert to fraction form
    10,311.54/15,464.55 = 2,914.26/x
  3. Step 3: Cross multiply
    10,311.54x = 15,464.55 × 2,914.26
  4. Step 4: Simplify right side
    10,311.54x = 45,067,719.48
  5. Step 5: Solve for x
    x = 45,067,719.48/10,311.54
  6. Step 6: Final answer
    x = 4,370.61

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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.