Home / 11,873.62-16,379.58-11,029.40

Finding the Fourth Proportional to 11,873.62, 16,379.58 and 11,029.40

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Solution

The fourth proportional to 11,873.62, 16,379.58 and 11,029.40 is: 15,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.62 : 16,379.58 = 11,029.40 : x
  2. Step 2: Convert to fraction form
    11,873.62/16,379.58 = 11,029.40/x
  3. Step 3: Cross multiply
    11,873.62x = 16,379.58 × 11,029.40
  4. Step 4: Simplify right side
    11,873.62x = 180,656,939.65
  5. Step 5: Solve for x
    x = 180,656,939.65/11,873.62
  6. Step 6: Final answer
    x = 15,214.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.