Home / 11,914.64-16,438.19-7,436.76

Finding the Fourth Proportional to 11,914.64, 16,438.19 and 7,436.76

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Solution

The fourth proportional to 11,914.64, 16,438.19 and 7,436.76 is: 10,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.64 : 16,438.19 = 7,436.76 : x
  2. Step 2: Convert to fraction form
    11,914.64/16,438.19 = 7,436.76/x
  3. Step 3: Cross multiply
    11,914.64x = 16,438.19 × 7,436.76
  4. Step 4: Simplify right side
    11,914.64x = 122,246,909.33
  5. Step 5: Solve for x
    x = 122,246,909.33/11,914.64
  6. Step 6: Final answer
    x = 10,260.22

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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.