Home / 10,671.36-16,003.80-5,476.56

Finding the Fourth Proportional to 10,671.36, 16,003.80 and 5,476.56

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Solution

The fourth proportional to 10,671.36, 16,003.80 and 5,476.56 is: 8,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.36 : 16,003.80 = 5,476.56 : x
  2. Step 2: Convert to fraction form
    10,671.36/16,003.80 = 5,476.56/x
  3. Step 3: Cross multiply
    10,671.36x = 16,003.80 × 5,476.56
  4. Step 4: Simplify right side
    10,671.36x = 87,645,770.93
  5. Step 5: Solve for x
    x = 87,645,770.93/10,671.36
  6. Step 6: Final answer
    x = 8,213.18

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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.