Home / 8,295.51-12,436.12-3,909.90

Finding the Fourth Proportional to 8,295.51, 12,436.12 and 3,909.90

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Solution

The fourth proportional to 8,295.51, 12,436.12 and 3,909.90 is: 5,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.51 : 12,436.12 = 3,909.90 : x
  2. Step 2: Convert to fraction form
    8,295.51/12,436.12 = 3,909.90/x
  3. Step 3: Cross multiply
    8,295.51x = 12,436.12 × 3,909.90
  4. Step 4: Simplify right side
    8,295.51x = 48,624,015.12
  5. Step 5: Solve for x
    x = 48,624,015.12/8,295.51
  6. Step 6: Final answer
    x = 5,861.48

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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.