Home / 11,790.35-16,270.73-6,485.18

Finding the Fourth Proportional to 11,790.35, 16,270.73 and 6,485.18

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Solution

The fourth proportional to 11,790.35, 16,270.73 and 6,485.18 is: 8,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.35 : 16,270.73 = 6,485.18 : x
  2. Step 2: Convert to fraction form
    11,790.35/16,270.73 = 6,485.18/x
  3. Step 3: Cross multiply
    11,790.35x = 16,270.73 × 6,485.18
  4. Step 4: Simplify right side
    11,790.35x = 105,518,499.00
  5. Step 5: Solve for x
    x = 105,518,499.00/11,790.35
  6. Step 6: Final answer
    x = 8,949.57

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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.