Home / 12,056.87-18,085.10-3,291.75

Finding the Fourth Proportional to 12,056.87, 18,085.10 and 3,291.75

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Solution

The fourth proportional to 12,056.87, 18,085.10 and 3,291.75 is: 4,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.87 : 18,085.10 = 3,291.75 : x
  2. Step 2: Convert to fraction form
    12,056.87/18,085.10 = 3,291.75/x
  3. Step 3: Cross multiply
    12,056.87x = 18,085.10 × 3,291.75
  4. Step 4: Simplify right side
    12,056.87x = 59,531,611.47
  5. Step 5: Solve for x
    x = 59,531,611.47/12,056.87
  6. Step 6: Final answer
    x = 4,937.57

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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.