Home / 12,072.98-18,092.77-8,714.45

Finding the Fourth Proportional to 12,072.98, 18,092.77 and 8,714.45

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Solution

The fourth proportional to 12,072.98, 18,092.77 and 8,714.45 is: 13,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.98 : 18,092.77 = 8,714.45 : x
  2. Step 2: Convert to fraction form
    12,072.98/18,092.77 = 8,714.45/x
  3. Step 3: Cross multiply
    12,072.98x = 18,092.77 × 8,714.45
  4. Step 4: Simplify right side
    12,072.98x = 157,668,562.97
  5. Step 5: Solve for x
    x = 157,668,562.97/12,072.98
  6. Step 6: Final answer
    x = 13,059.62

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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.