Home / 11,790.66-16,269.46-6,485.82

Finding the Fourth Proportional to 11,790.66, 16,269.46 and 6,485.82

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Solution

The fourth proportional to 11,790.66, 16,269.46 and 6,485.82 is: 8,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.66 : 16,269.46 = 6,485.82 : x
  2. Step 2: Convert to fraction form
    11,790.66/16,269.46 = 6,485.82/x
  3. Step 3: Cross multiply
    11,790.66x = 16,269.46 × 6,485.82
  4. Step 4: Simplify right side
    11,790.66x = 105,520,803.35
  5. Step 5: Solve for x
    x = 105,520,803.35/11,790.66
  6. Step 6: Final answer
    x = 8,949.52

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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.