Home / 8,652.41-11,943.27-5,380.72

Finding the Fourth Proportional to 8,652.41, 11,943.27 and 5,380.72

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Solution

The fourth proportional to 8,652.41, 11,943.27 and 5,380.72 is: 7,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.41 : 11,943.27 = 5,380.72 : x
  2. Step 2: Convert to fraction form
    8,652.41/11,943.27 = 5,380.72/x
  3. Step 3: Cross multiply
    8,652.41x = 11,943.27 × 5,380.72
  4. Step 4: Simplify right side
    8,652.41x = 64,263,391.75
  5. Step 5: Solve for x
    x = 64,263,391.75/8,652.41
  6. Step 6: Final answer
    x = 7,427.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.