Home / 11,605.07-16,015.01-6,299.88

Finding the Fourth Proportional to 11,605.07, 16,015.01 and 6,299.88

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Solution

The fourth proportional to 11,605.07, 16,015.01 and 6,299.88 is: 8,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.07 : 16,015.01 = 6,299.88 : x
  2. Step 2: Convert to fraction form
    11,605.07/16,015.01 = 6,299.88/x
  3. Step 3: Cross multiply
    11,605.07x = 16,015.01 × 6,299.88
  4. Step 4: Simplify right side
    11,605.07x = 100,892,609.70
  5. Step 5: Solve for x
    x = 100,892,609.70/11,605.07
  6. Step 6: Final answer
    x = 8,693.84

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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.