Home / 11,914.25-17,872.59-4,123.04

Finding the Fourth Proportional to 11,914.25, 17,872.59 and 4,123.04

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Solution

The fourth proportional to 11,914.25, 17,872.59 and 4,123.04 is: 6,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.25 : 17,872.59 = 4,123.04 : x
  2. Step 2: Convert to fraction form
    11,914.25/17,872.59 = 4,123.04/x
  3. Step 3: Cross multiply
    11,914.25x = 17,872.59 × 4,123.04
  4. Step 4: Simplify right side
    11,914.25x = 73,689,403.47
  5. Step 5: Solve for x
    x = 73,689,403.47/11,914.25
  6. Step 6: Final answer
    x = 6,184.98

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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.