Home / 11,337.38-16,974.51-8,555.62

Finding the Fourth Proportional to 11,337.38, 16,974.51 and 8,555.62

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Solution

The fourth proportional to 11,337.38, 16,974.51 and 8,555.62 is: 12,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.38 : 16,974.51 = 8,555.62 : x
  2. Step 2: Convert to fraction form
    11,337.38/16,974.51 = 8,555.62/x
  3. Step 3: Cross multiply
    11,337.38x = 16,974.51 × 8,555.62
  4. Step 4: Simplify right side
    11,337.38x = 145,227,457.25
  5. Step 5: Solve for x
    x = 145,227,457.25/11,337.38
  6. Step 6: Final answer
    x = 12,809.61

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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.