Home / 11,590.62-16,105.98-11,470.20

Finding the Fourth Proportional to 11,590.62, 16,105.98 and 11,470.20

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Solution

The fourth proportional to 11,590.62, 16,105.98 and 11,470.20 is: 15,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.62 : 16,105.98 = 11,470.20 : x
  2. Step 2: Convert to fraction form
    11,590.62/16,105.98 = 11,470.20/x
  3. Step 3: Cross multiply
    11,590.62x = 16,105.98 × 11,470.20
  4. Step 4: Simplify right side
    11,590.62x = 184,738,811.80
  5. Step 5: Solve for x
    x = 184,738,811.80/11,590.62
  6. Step 6: Final answer
    x = 15,938.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.