Home / 11,924.50-16,450.14-8,389.66

Finding the Fourth Proportional to 11,924.50, 16,450.14 and 8,389.66

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Solution

The fourth proportional to 11,924.50, 16,450.14 and 8,389.66 is: 11,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.50 : 16,450.14 = 8,389.66 : x
  2. Step 2: Convert to fraction form
    11,924.50/16,450.14 = 8,389.66/x
  3. Step 3: Cross multiply
    11,924.50x = 16,450.14 × 8,389.66
  4. Step 4: Simplify right side
    11,924.50x = 138,011,081.55
  5. Step 5: Solve for x
    x = 138,011,081.55/11,924.50
  6. Step 6: Final answer
    x = 11,573.74

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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.