Home / 10,933.80-16,400.70-6,253.80

Finding the Fourth Proportional to 10,933.80, 16,400.70 and 6,253.80

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Solution

The fourth proportional to 10,933.80, 16,400.70 and 6,253.80 is: 9,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.80 : 16,400.70 = 6,253.80 : x
  2. Step 2: Convert to fraction form
    10,933.80/16,400.70 = 6,253.80/x
  3. Step 3: Cross multiply
    10,933.80x = 16,400.70 × 6,253.80
  4. Step 4: Simplify right side
    10,933.80x = 102,566,697.66
  5. Step 5: Solve for x
    x = 102,566,697.66/10,933.80
  6. Step 6: Final answer
    x = 9,380.70

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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.