Home / 11,923.39-16,445.42-8,338.54

Finding the Fourth Proportional to 11,923.39, 16,445.42 and 8,338.54

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Solution

The fourth proportional to 11,923.39, 16,445.42 and 8,338.54 is: 11,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.39 : 16,445.42 = 8,338.54 : x
  2. Step 2: Convert to fraction form
    11,923.39/16,445.42 = 8,338.54/x
  3. Step 3: Cross multiply
    11,923.39x = 16,445.42 × 8,338.54
  4. Step 4: Simplify right side
    11,923.39x = 137,130,713.81
  5. Step 5: Solve for x
    x = 137,130,713.81/11,923.39
  6. Step 6: Final answer
    x = 11,500.98

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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.