Home / 11,043.63-16,562.07-3,146.78

Finding the Fourth Proportional to 11,043.63, 16,562.07 and 3,146.78

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Solution

The fourth proportional to 11,043.63, 16,562.07 and 3,146.78 is: 4,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.63 : 16,562.07 = 3,146.78 : x
  2. Step 2: Convert to fraction form
    11,043.63/16,562.07 = 3,146.78/x
  3. Step 3: Cross multiply
    11,043.63x = 16,562.07 × 3,146.78
  4. Step 4: Simplify right side
    11,043.63x = 52,117,190.63
  5. Step 5: Solve for x
    x = 52,117,190.63/11,043.63
  6. Step 6: Final answer
    x = 4,719.21

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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.