Home / 10,977.67-16,468.94-3,186.01

Finding the Fourth Proportional to 10,977.67, 16,468.94 and 3,186.01

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Solution

The fourth proportional to 10,977.67, 16,468.94 and 3,186.01 is: 4,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.67 : 16,468.94 = 3,186.01 : x
  2. Step 2: Convert to fraction form
    10,977.67/16,468.94 = 3,186.01/x
  3. Step 3: Cross multiply
    10,977.67x = 16,468.94 × 3,186.01
  4. Step 4: Simplify right side
    10,977.67x = 52,470,207.53
  5. Step 5: Solve for x
    x = 52,470,207.53/10,977.67
  6. Step 6: Final answer
    x = 4,779.72

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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.