Home / 11,980.67-16,533.60-6,675.81

Finding the Fourth Proportional to 11,980.67, 16,533.60 and 6,675.81

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Solution

The fourth proportional to 11,980.67, 16,533.60 and 6,675.81 is: 9,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.67 : 16,533.60 = 6,675.81 : x
  2. Step 2: Convert to fraction form
    11,980.67/16,533.60 = 6,675.81/x
  3. Step 3: Cross multiply
    11,980.67x = 16,533.60 × 6,675.81
  4. Step 4: Simplify right side
    11,980.67x = 110,375,172.22
  5. Step 5: Solve for x
    x = 110,375,172.22/11,980.67
  6. Step 6: Final answer
    x = 9,212.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.