Home / 7,809.41-11,717.31-4,114.90

Finding the Fourth Proportional to 7,809.41, 11,717.31 and 4,114.90

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Solution

The fourth proportional to 7,809.41, 11,717.31 and 4,114.90 is: 6,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.41 : 11,717.31 = 4,114.90 : x
  2. Step 2: Convert to fraction form
    7,809.41/11,717.31 = 4,114.90/x
  3. Step 3: Cross multiply
    7,809.41x = 11,717.31 × 4,114.90
  4. Step 4: Simplify right side
    7,809.41x = 48,215,565.85
  5. Step 5: Solve for x
    x = 48,215,565.85/7,809.41
  6. Step 6: Final answer
    x = 6,174.03

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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.