Home / 16,405.09-24,611.51-5,311.76

Finding the Fourth Proportional to 16,405.09, 24,611.51 and 5,311.76

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Solution

The fourth proportional to 16,405.09, 24,611.51 and 5,311.76 is: 7,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.09 : 24,611.51 = 5,311.76 : x
  2. Step 2: Convert to fraction form
    16,405.09/24,611.51 = 5,311.76/x
  3. Step 3: Cross multiply
    16,405.09x = 24,611.51 × 5,311.76
  4. Step 4: Simplify right side
    16,405.09x = 130,730,324.58
  5. Step 5: Solve for x
    x = 130,730,324.58/16,405.09
  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.