Home / 7,470.28-11,205.41-2,205.36

Finding the Fourth Proportional to 7,470.28, 11,205.41 and 2,205.36

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Solution

The fourth proportional to 7,470.28, 11,205.41 and 2,205.36 is: 3,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.28 : 11,205.41 = 2,205.36 : x
  2. Step 2: Convert to fraction form
    7,470.28/11,205.41 = 2,205.36/x
  3. Step 3: Cross multiply
    7,470.28x = 11,205.41 × 2,205.36
  4. Step 4: Simplify right side
    7,470.28x = 24,711,940.50
  5. Step 5: Solve for x
    x = 24,711,940.50/7,470.28
  6. Step 6: Final answer
    x = 3,308.04

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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.