Home / 11,501.56-17,252.40-3,181.60

Finding the Fourth Proportional to 11,501.56, 17,252.40 and 3,181.60

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Solution

The fourth proportional to 11,501.56, 17,252.40 and 3,181.60 is: 4,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501.56 : 17,252.40 = 3,181.60 : x
  2. Step 2: Convert to fraction form
    11,501.56/17,252.40 = 3,181.60/x
  3. Step 3: Cross multiply
    11,501.56x = 17,252.40 × 3,181.60
  4. Step 4: Simplify right side
    11,501.56x = 54,890,235.84
  5. Step 5: Solve for x
    x = 54,890,235.84/11,501.56
  6. Step 6: Final answer
    x = 4,772.42

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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.