Home / 10,977.77-16,468.26-3,580.42

Finding the Fourth Proportional to 10,977.77, 16,468.26 and 3,580.42

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Solution

The fourth proportional to 10,977.77, 16,468.26 and 3,580.42 is: 5,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.77 : 16,468.26 = 3,580.42 : x
  2. Step 2: Convert to fraction form
    10,977.77/16,468.26 = 3,580.42/x
  3. Step 3: Cross multiply
    10,977.77x = 16,468.26 × 3,580.42
  4. Step 4: Simplify right side
    10,977.77x = 58,963,205.13
  5. Step 5: Solve for x
    x = 58,963,205.13/10,977.77
  6. Step 6: Final answer
    x = 5,371.15

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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.