Home / 10,991.32-16,450.26-6,534.52

Finding the Fourth Proportional to 10,991.32, 16,450.26 and 6,534.52

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Solution

The fourth proportional to 10,991.32, 16,450.26 and 6,534.52 is: 9,779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.32 : 16,450.26 = 6,534.52 : x
  2. Step 2: Convert to fraction form
    10,991.32/16,450.26 = 6,534.52/x
  3. Step 3: Cross multiply
    10,991.32x = 16,450.26 × 6,534.52
  4. Step 4: Simplify right side
    10,991.32x = 107,494,552.98
  5. Step 5: Solve for x
    x = 107,494,552.98/10,991.32
  6. Step 6: Final answer
    x = 9,779.95

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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.