Home / 12,842.22-19,261.60-3,482.84

Finding the Fourth Proportional to 12,842.22, 19,261.60 and 3,482.84

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Solution

The fourth proportional to 12,842.22, 19,261.60 and 3,482.84 is: 5,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.22 : 19,261.60 = 3,482.84 : x
  2. Step 2: Convert to fraction form
    12,842.22/19,261.60 = 3,482.84/x
  3. Step 3: Cross multiply
    12,842.22x = 19,261.60 × 3,482.84
  4. Step 4: Simplify right side
    12,842.22x = 67,085,110.39
  5. Step 5: Solve for x
    x = 67,085,110.39/12,842.22
  6. Step 6: Final answer
    x = 5,223.79

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1.5x scale

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.