Home / 12,212.14-16,852.44-6,761.02

Finding the Fourth Proportional to 12,212.14, 16,852.44 and 6,761.02

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Solution

The fourth proportional to 12,212.14, 16,852.44 and 6,761.02 is: 9,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.14 : 16,852.44 = 6,761.02 : x
  2. Step 2: Convert to fraction form
    12,212.14/16,852.44 = 6,761.02/x
  3. Step 3: Cross multiply
    12,212.14x = 16,852.44 × 6,761.02
  4. Step 4: Simplify right side
    12,212.14x = 113,939,683.89
  5. Step 5: Solve for x
    x = 113,939,683.89/12,212.14
  6. Step 6: Final answer
    x = 9,330.03

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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.