Home / 11,790.37-16,269.99-6,485.17

Finding the Fourth Proportional to 11,790.37, 16,269.99 and 6,485.17

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Solution

The fourth proportional to 11,790.37, 16,269.99 and 6,485.17 is: 8,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.37 : 16,269.99 = 6,485.17 : x
  2. Step 2: Convert to fraction form
    11,790.37/16,269.99 = 6,485.17/x
  3. Step 3: Cross multiply
    11,790.37x = 16,269.99 × 6,485.17
  4. Step 4: Simplify right side
    11,790.37x = 105,513,651.05
  5. Step 5: Solve for x
    x = 105,513,651.05/11,790.37
  6. Step 6: Final answer
    x = 8,949.14

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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.