Home / 11,281.80-16,923.18-3,490.76

Finding the Fourth Proportional to 11,281.80, 16,923.18 and 3,490.76

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Solution

The fourth proportional to 11,281.80, 16,923.18 and 3,490.76 is: 5,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.80 : 16,923.18 = 3,490.76 : x
  2. Step 2: Convert to fraction form
    11,281.80/16,923.18 = 3,490.76/x
  3. Step 3: Cross multiply
    11,281.80x = 16,923.18 × 3,490.76
  4. Step 4: Simplify right side
    11,281.80x = 59,074,759.82
  5. Step 5: Solve for x
    x = 59,074,759.82/11,281.80
  6. Step 6: Final answer
    x = 5,236.29

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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.