Home / 10,347.75-15,517.37-4,106.90

Finding the Fourth Proportional to 10,347.75, 15,517.37 and 4,106.90

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Solution

The fourth proportional to 10,347.75, 15,517.37 and 4,106.90 is: 6,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.75 : 15,517.37 = 4,106.90 : x
  2. Step 2: Convert to fraction form
    10,347.75/15,517.37 = 4,106.90/x
  3. Step 3: Cross multiply
    10,347.75x = 15,517.37 × 4,106.90
  4. Step 4: Simplify right side
    10,347.75x = 63,728,188.73
  5. Step 5: Solve for x
    x = 63,728,188.73/10,347.75
  6. Step 6: Final answer
    x = 6,158.65

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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.