Home / 8,294.13-12,439.26-4,776.66

Finding the Fourth Proportional to 8,294.13, 12,439.26 and 4,776.66

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Solution

The fourth proportional to 8,294.13, 12,439.26 and 4,776.66 is: 7,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294.13 : 12,439.26 = 4,776.66 : x
  2. Step 2: Convert to fraction form
    8,294.13/12,439.26 = 4,776.66/x
  3. Step 3: Cross multiply
    8,294.13x = 12,439.26 × 4,776.66
  4. Step 4: Simplify right side
    8,294.13x = 59,418,115.67
  5. Step 5: Solve for x
    x = 59,418,115.67/8,294.13
  6. Step 6: Final answer
    x = 7,163.88

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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.