Home / 11,278.46-16,927.74-5,362.64

Finding the Fourth Proportional to 11,278.46, 16,927.74 and 5,362.64

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Solution

The fourth proportional to 11,278.46, 16,927.74 and 5,362.64 is: 8,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.46 : 16,927.74 = 5,362.64 : x
  2. Step 2: Convert to fraction form
    11,278.46/16,927.74 = 5,362.64/x
  3. Step 3: Cross multiply
    11,278.46x = 16,927.74 × 5,362.64
  4. Step 4: Simplify right side
    11,278.46x = 90,777,375.63
  5. Step 5: Solve for x
    x = 90,777,375.63/11,278.46
  6. Step 6: Final answer
    x = 8,048.74

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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.