Home / 11,728.80-17,590.37-4,334.11

Finding the Fourth Proportional to 11,728.80, 17,590.37 and 4,334.11

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Solution

The fourth proportional to 11,728.80, 17,590.37 and 4,334.11 is: 6,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.80 : 17,590.37 = 4,334.11 : x
  2. Step 2: Convert to fraction form
    11,728.80/17,590.37 = 4,334.11/x
  3. Step 3: Cross multiply
    11,728.80x = 17,590.37 × 4,334.11
  4. Step 4: Simplify right side
    11,728.80x = 76,238,532.87
  5. Step 5: Solve for x
    x = 76,238,532.87/11,728.80
  6. Step 6: Final answer
    x = 6,500.11

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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.