Home / 11,223.56-16,835.43-4,981.90

Finding the Fourth Proportional to 11,223.56, 16,835.43 and 4,981.90

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Solution

The fourth proportional to 11,223.56, 16,835.43 and 4,981.90 is: 7,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.56 : 16,835.43 = 4,981.90 : x
  2. Step 2: Convert to fraction form
    11,223.56/16,835.43 = 4,981.90/x
  3. Step 3: Cross multiply
    11,223.56x = 16,835.43 × 4,981.90
  4. Step 4: Simplify right side
    11,223.56x = 83,872,361.50
  5. Step 5: Solve for x
    x = 83,872,361.50/11,223.56
  6. Step 6: Final answer
    x = 7,472.88

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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.