Home / 12,212.39-16,852.83-6,907.30

Finding the Fourth Proportional to 12,212.39, 16,852.83 and 6,907.30

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Solution

The fourth proportional to 12,212.39, 16,852.83 and 6,907.30 is: 9,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.39 : 16,852.83 = 6,907.30 : x
  2. Step 2: Convert to fraction form
    12,212.39/16,852.83 = 6,907.30/x
  3. Step 3: Cross multiply
    12,212.39x = 16,852.83 × 6,907.30
  4. Step 4: Simplify right side
    12,212.39x = 116,407,484.62
  5. Step 5: Solve for x
    x = 116,407,484.62/12,212.39
  6. Step 6: Final answer
    x = 9,531.91

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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.