Home / 11,120.18-16,687.11-4,546.40

Finding the Fourth Proportional to 11,120.18, 16,687.11 and 4,546.40

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Solution

The fourth proportional to 11,120.18, 16,687.11 and 4,546.40 is: 6,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.18 : 16,687.11 = 4,546.40 : x
  2. Step 2: Convert to fraction form
    11,120.18/16,687.11 = 4,546.40/x
  3. Step 3: Cross multiply
    11,120.18x = 16,687.11 × 4,546.40
  4. Step 4: Simplify right side
    11,120.18x = 75,866,276.90
  5. Step 5: Solve for x
    x = 75,866,276.90/11,120.18
  6. Step 6: Final answer
    x = 6,822.40

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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.