Home / 12,056.92-18,085.40-3,291.60

Finding the Fourth Proportional to 12,056.92, 18,085.40 and 3,291.60

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Solution

The fourth proportional to 12,056.92, 18,085.40 and 3,291.60 is: 4,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.92 : 18,085.40 = 3,291.60 : x
  2. Step 2: Convert to fraction form
    12,056.92/18,085.40 = 3,291.60/x
  3. Step 3: Cross multiply
    12,056.92x = 18,085.40 × 3,291.60
  4. Step 4: Simplify right side
    12,056.92x = 59,529,902.64
  5. Step 5: Solve for x
    x = 59,529,902.64/12,056.92
  6. Step 6: Final answer
    x = 4,937.41

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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.