Home / 11,278.32-16,917.09-2,958.27

Finding the Fourth Proportional to 11,278.32, 16,917.09 and 2,958.27

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Solution

The fourth proportional to 11,278.32, 16,917.09 and 2,958.27 is: 4,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.32 : 16,917.09 = 2,958.27 : x
  2. Step 2: Convert to fraction form
    11,278.32/16,917.09 = 2,958.27/x
  3. Step 3: Cross multiply
    11,278.32x = 16,917.09 × 2,958.27
  4. Step 4: Simplify right side
    11,278.32x = 50,045,319.83
  5. Step 5: Solve for x
    x = 50,045,319.83/11,278.32
  6. Step 6: Final answer
    x = 4,437.30

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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.