Home / 11,785.17-16,263.60-6,480.33

Finding the Fourth Proportional to 11,785.17, 16,263.60 and 6,480.33

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Solution

The fourth proportional to 11,785.17, 16,263.60 and 6,480.33 is: 8,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.17 : 16,263.60 = 6,480.33 : x
  2. Step 2: Convert to fraction form
    11,785.17/16,263.60 = 6,480.33/x
  3. Step 3: Cross multiply
    11,785.17x = 16,263.60 × 6,480.33
  4. Step 4: Simplify right side
    11,785.17x = 105,393,535.65
  5. Step 5: Solve for x
    x = 105,393,535.65/11,785.17
  6. Step 6: Final answer
    x = 8,942.89

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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.