Home / 6,122.47-9,183.81-2,659.72

Finding the Fourth Proportional to 6,122.47, 9,183.81 and 2,659.72

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Solution

The fourth proportional to 6,122.47, 9,183.81 and 2,659.72 is: 3,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.47 : 9,183.81 = 2,659.72 : x
  2. Step 2: Convert to fraction form
    6,122.47/9,183.81 = 2,659.72/x
  3. Step 3: Cross multiply
    6,122.47x = 9,183.81 × 2,659.72
  4. Step 4: Simplify right side
    6,122.47x = 24,426,349.83
  5. Step 5: Solve for x
    x = 24,426,349.83/6,122.47
  6. Step 6: Final answer
    x = 3,989.62

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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.