Home / 7,660.83-11,485.40-3,497.95

Finding the Fourth Proportional to 7,660.83, 11,485.40 and 3,497.95

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Solution

The fourth proportional to 7,660.83, 11,485.40 and 3,497.95 is: 5,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.83 : 11,485.40 = 3,497.95 : x
  2. Step 2: Convert to fraction form
    7,660.83/11,485.40 = 3,497.95/x
  3. Step 3: Cross multiply
    7,660.83x = 11,485.40 × 3,497.95
  4. Step 4: Simplify right side
    7,660.83x = 40,175,308.73
  5. Step 5: Solve for x
    x = 40,175,308.73/7,660.83
  6. Step 6: Final answer
    x = 5,244.25

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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.