Home / 10,912.18-16,357.32-9,599.98

Finding the Fourth Proportional to 10,912.18, 16,357.32 and 9,599.98

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Solution

The fourth proportional to 10,912.18, 16,357.32 and 9,599.98 is: 14,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.18 : 16,357.32 = 9,599.98 : x
  2. Step 2: Convert to fraction form
    10,912.18/16,357.32 = 9,599.98/x
  3. Step 3: Cross multiply
    10,912.18x = 16,357.32 × 9,599.98
  4. Step 4: Simplify right side
    10,912.18x = 157,029,944.85
  5. Step 5: Solve for x
    x = 157,029,944.85/10,912.18
  6. Step 6: Final answer
    x = 14,390.34

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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.