Home / 11,320.28-16,977.54-3,525.08

Finding the Fourth Proportional to 11,320.28, 16,977.54 and 3,525.08

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Solution

The fourth proportional to 11,320.28, 16,977.54 and 3,525.08 is: 5,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.28 : 16,977.54 = 3,525.08 : x
  2. Step 2: Convert to fraction form
    11,320.28/16,977.54 = 3,525.08/x
  3. Step 3: Cross multiply
    11,320.28x = 16,977.54 × 3,525.08
  4. Step 4: Simplify right side
    11,320.28x = 59,847,186.70
  5. Step 5: Solve for x
    x = 59,847,186.70/11,320.28
  6. Step 6: Final answer
    x = 5,286.72

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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.