Home / 9,849.70-14,775.90-3,275.20

Finding the Fourth Proportional to 9,849.70, 14,775.90 and 3,275.20

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Solution

The fourth proportional to 9,849.70, 14,775.90 and 3,275.20 is: 4,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,849.70 : 14,775.90 = 3,275.20 : x
  2. Step 2: Convert to fraction form
    9,849.70/14,775.90 = 3,275.20/x
  3. Step 3: Cross multiply
    9,849.70x = 14,775.90 × 3,275.20
  4. Step 4: Simplify right side
    9,849.70x = 48,394,027.68
  5. Step 5: Solve for x
    x = 48,394,027.68/9,849.70
  6. Step 6: Final answer
    x = 4,913.25

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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.