Home / 11,775.44-17,665.54-3,455.70

Finding the Fourth Proportional to 11,775.44, 17,665.54 and 3,455.70

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Solution

The fourth proportional to 11,775.44, 17,665.54 and 3,455.70 is: 5,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.44 : 17,665.54 = 3,455.70 : x
  2. Step 2: Convert to fraction form
    11,775.44/17,665.54 = 3,455.70/x
  3. Step 3: Cross multiply
    11,775.44x = 17,665.54 × 3,455.70
  4. Step 4: Simplify right side
    11,775.44x = 61,046,806.58
  5. Step 5: Solve for x
    x = 61,046,806.58/11,775.44
  6. Step 6: Final answer
    x = 5,184.25

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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.