Home / 8,336.16-12,503.88-3,405.60

Finding the Fourth Proportional to 8,336.16, 12,503.88 and 3,405.60

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Solution

The fourth proportional to 8,336.16, 12,503.88 and 3,405.60 is: 5,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.16 : 12,503.88 = 3,405.60 : x
  2. Step 2: Convert to fraction form
    8,336.16/12,503.88 = 3,405.60/x
  3. Step 3: Cross multiply
    8,336.16x = 12,503.88 × 3,405.60
  4. Step 4: Simplify right side
    8,336.16x = 42,583,213.73
  5. Step 5: Solve for x
    x = 42,583,213.73/8,336.16
  6. Step 6: Final answer
    x = 5,108.25

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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.