Home / 10,977.17-16,463.30-3,579.66

Finding the Fourth Proportional to 10,977.17, 16,463.30 and 3,579.66

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Solution

The fourth proportional to 10,977.17, 16,463.30 and 3,579.66 is: 5,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.17 : 16,463.30 = 3,579.66 : x
  2. Step 2: Convert to fraction form
    10,977.17/16,463.30 = 3,579.66/x
  3. Step 3: Cross multiply
    10,977.17x = 16,463.30 × 3,579.66
  4. Step 4: Simplify right side
    10,977.17x = 58,932,998.58
  5. Step 5: Solve for x
    x = 58,932,998.58/10,977.17
  6. Step 6: Final answer
    x = 5,368.69

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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.