Home / 7,409.46-11,118.56-2,732.76

Finding the Fourth Proportional to 7,409.46, 11,118.56 and 2,732.76

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Solution

The fourth proportional to 7,409.46, 11,118.56 and 2,732.76 is: 4,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.46 : 11,118.56 = 2,732.76 : x
  2. Step 2: Convert to fraction form
    7,409.46/11,118.56 = 2,732.76/x
  3. Step 3: Cross multiply
    7,409.46x = 11,118.56 × 2,732.76
  4. Step 4: Simplify right side
    7,409.46x = 30,384,342.36
  5. Step 5: Solve for x
    x = 30,384,342.36/7,409.46
  6. Step 6: Final answer
    x = 4,100.75

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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.