Home / 11,905.42-17,859.32-4,410.99

Finding the Fourth Proportional to 11,905.42, 17,859.32 and 4,410.99

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Solution

The fourth proportional to 11,905.42, 17,859.32 and 4,410.99 is: 6,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.42 : 17,859.32 = 4,410.99 : x
  2. Step 2: Convert to fraction form
    11,905.42/17,859.32 = 4,410.99/x
  3. Step 3: Cross multiply
    11,905.42x = 17,859.32 × 4,410.99
  4. Step 4: Simplify right side
    11,905.42x = 78,777,281.93
  5. Step 5: Solve for x
    x = 78,777,281.93/11,905.42
  6. Step 6: Final answer
    x = 6,616.93

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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.