Home / 11,153.46-16,735.65-4,912.70

Finding the Fourth Proportional to 11,153.46, 16,735.65 and 4,912.70

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Solution

The fourth proportional to 11,153.46, 16,735.65 and 4,912.70 is: 7,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.46 : 16,735.65 = 4,912.70 : x
  2. Step 2: Convert to fraction form
    11,153.46/16,735.65 = 4,912.70/x
  3. Step 3: Cross multiply
    11,153.46x = 16,735.65 × 4,912.70
  4. Step 4: Simplify right side
    11,153.46x = 82,217,227.76
  5. Step 5: Solve for x
    x = 82,217,227.76/11,153.46
  6. Step 6: Final answer
    x = 7,371.45

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1.5x scale

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.