Home / 10,996.85-16,499.42-6,617.39

Finding the Fourth Proportional to 10,996.85, 16,499.42 and 6,617.39

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Solution

The fourth proportional to 10,996.85, 16,499.42 and 6,617.39 is: 9,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.85 : 16,499.42 = 6,617.39 : x
  2. Step 2: Convert to fraction form
    10,996.85/16,499.42 = 6,617.39/x
  3. Step 3: Cross multiply
    10,996.85x = 16,499.42 × 6,617.39
  4. Step 4: Simplify right side
    10,996.85x = 109,182,981.33
  5. Step 5: Solve for x
    x = 109,182,981.33/10,996.85
  6. Step 6: Final answer
    x = 9,928.57

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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.