Home / 12,575.96-18,846.92-4,780.52

Finding the Fourth Proportional to 12,575.96, 18,846.92 and 4,780.52

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Solution

The fourth proportional to 12,575.96, 18,846.92 and 4,780.52 is: 7,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.96 : 18,846.92 = 4,780.52 : x
  2. Step 2: Convert to fraction form
    12,575.96/18,846.92 = 4,780.52/x
  3. Step 3: Cross multiply
    12,575.96x = 18,846.92 × 4,780.52
  4. Step 4: Simplify right side
    12,575.96x = 90,098,078.00
  5. Step 5: Solve for x
    x = 90,098,078.00/12,575.96
  6. Step 6: Final answer
    x = 7,164.31

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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.