Home / 10,923.66-16,380.18-3,903.53

Finding the Fourth Proportional to 10,923.66, 16,380.18 and 3,903.53

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Solution

The fourth proportional to 10,923.66, 16,380.18 and 3,903.53 is: 5,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.66 : 16,380.18 = 3,903.53 : x
  2. Step 2: Convert to fraction form
    10,923.66/16,380.18 = 3,903.53/x
  3. Step 3: Cross multiply
    10,923.66x = 16,380.18 × 3,903.53
  4. Step 4: Simplify right side
    10,923.66x = 63,940,442.13
  5. Step 5: Solve for x
    x = 63,940,442.13/10,923.66
  6. Step 6: Final answer
    x = 5,853.39

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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.