Home / 12,366.83-17,056.90-8,589.99

Finding the Fourth Proportional to 12,366.83, 17,056.90 and 8,589.99

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Solution

The fourth proportional to 12,366.83, 17,056.90 and 8,589.99 is: 11,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.83 : 17,056.90 = 8,589.99 : x
  2. Step 2: Convert to fraction form
    12,366.83/17,056.90 = 8,589.99/x
  3. Step 3: Cross multiply
    12,366.83x = 17,056.90 × 8,589.99
  4. Step 4: Simplify right side
    12,366.83x = 146,518,600.43
  5. Step 5: Solve for x
    x = 146,518,600.43/12,366.83
  6. Step 6: Final answer
    x = 11,847.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.