Home / 16,405.06-24,611.50-5,311.75

Finding the Fourth Proportional to 16,405.06, 24,611.50 and 5,311.75

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Solution

The fourth proportional to 16,405.06, 24,611.50 and 5,311.75 is: 7,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.06 : 24,611.50 = 5,311.75 : x
  2. Step 2: Convert to fraction form
    16,405.06/24,611.50 = 5,311.75/x
  3. Step 3: Cross multiply
    16,405.06x = 24,611.50 × 5,311.75
  4. Step 4: Simplify right side
    16,405.06x = 130,730,121.85
  5. Step 5: Solve for x
    x = 130,730,121.85/16,405.06
  6. Step 6: Final answer
    x = 7,968.89

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1.5x scale

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.