Home / 10,999.10-16,474.35-8,525.90

Finding the Fourth Proportional to 10,999.10, 16,474.35 and 8,525.90

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Solution

The fourth proportional to 10,999.10, 16,474.35 and 8,525.90 is: 12,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.10 : 16,474.35 = 8,525.90 : x
  2. Step 2: Convert to fraction form
    10,999.10/16,474.35 = 8,525.90/x
  3. Step 3: Cross multiply
    10,999.10x = 16,474.35 × 8,525.90
  4. Step 4: Simplify right side
    10,999.10x = 140,458,660.67
  5. Step 5: Solve for x
    x = 140,458,660.67/10,999.10
  6. Step 6: Final answer
    x = 12,770.01

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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.