Home / 7,409.15-11,112.17-2,727.95

Finding the Fourth Proportional to 7,409.15, 11,112.17 and 2,727.95

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Solution

The fourth proportional to 7,409.15, 11,112.17 and 2,727.95 is: 4,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.15 : 11,112.17 = 2,727.95 : x
  2. Step 2: Convert to fraction form
    7,409.15/11,112.17 = 2,727.95/x
  3. Step 3: Cross multiply
    7,409.15x = 11,112.17 × 2,727.95
  4. Step 4: Simplify right side
    7,409.15x = 30,313,374.95
  5. Step 5: Solve for x
    x = 30,313,374.95/7,409.15
  6. Step 6: Final answer
    x = 4,091.35

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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.