Home / 8,529.20-12,796.35-4,372.14

Finding the Fourth Proportional to 8,529.20, 12,796.35 and 4,372.14

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Solution

The fourth proportional to 8,529.20, 12,796.35 and 4,372.14 is: 6,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.20 : 12,796.35 = 4,372.14 : x
  2. Step 2: Convert to fraction form
    8,529.20/12,796.35 = 4,372.14/x
  3. Step 3: Cross multiply
    8,529.20x = 12,796.35 × 4,372.14
  4. Step 4: Simplify right side
    8,529.20x = 55,947,465.28
  5. Step 5: Solve for x
    x = 55,947,465.28/8,529.20
  6. Step 6: Final answer
    x = 6,559.52

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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.