Home / 10,949.59-16,436.67-4,380.36

Finding the Fourth Proportional to 10,949.59, 16,436.67 and 4,380.36

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Solution

The fourth proportional to 10,949.59, 16,436.67 and 4,380.36 is: 6,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.59 : 16,436.67 = 4,380.36 : x
  2. Step 2: Convert to fraction form
    10,949.59/16,436.67 = 4,380.36/x
  3. Step 3: Cross multiply
    10,949.59x = 16,436.67 × 4,380.36
  4. Step 4: Simplify right side
    10,949.59x = 71,998,449.62
  5. Step 5: Solve for x
    x = 71,998,449.62/10,949.59
  6. Step 6: Final answer
    x = 6,575.45

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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.