Home / 8,552.28-12,840.35-4,395.81

Finding the Fourth Proportional to 8,552.28, 12,840.35 and 4,395.81

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Solution

The fourth proportional to 8,552.28, 12,840.35 and 4,395.81 is: 6,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.28 : 12,840.35 = 4,395.81 : x
  2. Step 2: Convert to fraction form
    8,552.28/12,840.35 = 4,395.81/x
  3. Step 3: Cross multiply
    8,552.28x = 12,840.35 × 4,395.81
  4. Step 4: Simplify right side
    8,552.28x = 56,443,738.93
  5. Step 5: Solve for x
    x = 56,443,738.93/8,552.28
  6. Step 6: Final answer
    x = 6,599.85

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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.