Home / 12,851.75-19,279.16-4,530.04

Finding the Fourth Proportional to 12,851.75, 19,279.16 and 4,530.04

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Solution

The fourth proportional to 12,851.75, 19,279.16 and 4,530.04 is: 6,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851.75 : 19,279.16 = 4,530.04 : x
  2. Step 2: Convert to fraction form
    12,851.75/19,279.16 = 4,530.04/x
  3. Step 3: Cross multiply
    12,851.75x = 19,279.16 × 4,530.04
  4. Step 4: Simplify right side
    12,851.75x = 87,335,365.97
  5. Step 5: Solve for x
    x = 87,335,365.97/12,851.75
  6. Step 6: Final answer
    x = 6,795.60

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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.