Home / 11,605.15-16,015.18-6,299.96

Finding the Fourth Proportional to 11,605.15, 16,015.18 and 6,299.96

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Solution

The fourth proportional to 11,605.15, 16,015.18 and 6,299.96 is: 8,693.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.15 : 16,015.18 = 6,299.96 : x
  2. Step 2: Convert to fraction form
    11,605.15/16,015.18 = 6,299.96/x
  3. Step 3: Cross multiply
    11,605.15x = 16,015.18 × 6,299.96
  4. Step 4: Simplify right side
    11,605.15x = 100,895,017.68
  5. Step 5: Solve for x
    x = 100,895,017.68/11,605.15
  6. Step 6: Final answer
    x = 8,693.99

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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.