Home / 7,327.47-10,997.11-3,818.55

Finding the Fourth Proportional to 7,327.47, 10,997.11 and 3,818.55

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Solution

The fourth proportional to 7,327.47, 10,997.11 and 3,818.55 is: 5,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.47 : 10,997.11 = 3,818.55 : x
  2. Step 2: Convert to fraction form
    7,327.47/10,997.11 = 3,818.55/x
  3. Step 3: Cross multiply
    7,327.47x = 10,997.11 × 3,818.55
  4. Step 4: Simplify right side
    7,327.47x = 41,993,014.39
  5. Step 5: Solve for x
    x = 41,993,014.39/7,327.47
  6. Step 6: Final answer
    x = 5,730.90

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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.