Home / 8,548.24-12,822.60-2,705.20

Finding the Fourth Proportional to 8,548.24, 12,822.60 and 2,705.20

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Solution

The fourth proportional to 8,548.24, 12,822.60 and 2,705.20 is: 4,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.24 : 12,822.60 = 2,705.20 : x
  2. Step 2: Convert to fraction form
    8,548.24/12,822.60 = 2,705.20/x
  3. Step 3: Cross multiply
    8,548.24x = 12,822.60 × 2,705.20
  4. Step 4: Simplify right side
    8,548.24x = 34,687,697.52
  5. Step 5: Solve for x
    x = 34,687,697.52/8,548.24
  6. Step 6: Final answer
    x = 4,057.88

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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.