Home / 11,923.90-16,446.11-8,339.04

Finding the Fourth Proportional to 11,923.90, 16,446.11 and 8,339.04

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Solution

The fourth proportional to 11,923.90, 16,446.11 and 8,339.04 is: 11,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.90 : 16,446.11 = 8,339.04 : x
  2. Step 2: Convert to fraction form
    11,923.90/16,446.11 = 8,339.04/x
  3. Step 3: Cross multiply
    11,923.90x = 16,446.11 × 8,339.04
  4. Step 4: Simplify right side
    11,923.90x = 137,144,645.21
  5. Step 5: Solve for x
    x = 137,144,645.21/11,923.90
  6. Step 6: Final answer
    x = 11,501.66

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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.