Home / 8,972.87-13,459.99-2,733.42

Finding the Fourth Proportional to 8,972.87, 13,459.99 and 2,733.42

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Solution

The fourth proportional to 8,972.87, 13,459.99 and 2,733.42 is: 4,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.87 : 13,459.99 = 2,733.42 : x
  2. Step 2: Convert to fraction form
    8,972.87/13,459.99 = 2,733.42/x
  3. Step 3: Cross multiply
    8,972.87x = 13,459.99 × 2,733.42
  4. Step 4: Simplify right side
    8,972.87x = 36,791,805.87
  5. Step 5: Solve for x
    x = 36,791,805.87/8,972.87
  6. Step 6: Final answer
    x = 4,100.34

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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.