Home / 11,785.96-16,263.61-6,480.46

Finding the Fourth Proportional to 11,785.96, 16,263.61 and 6,480.46

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Solution

The fourth proportional to 11,785.96, 16,263.61 and 6,480.46 is: 8,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.96 : 16,263.61 = 6,480.46 : x
  2. Step 2: Convert to fraction form
    11,785.96/16,263.61 = 6,480.46/x
  3. Step 3: Cross multiply
    11,785.96x = 16,263.61 × 6,480.46
  4. Step 4: Simplify right side
    11,785.96x = 105,395,674.06
  5. Step 5: Solve for x
    x = 105,395,674.06/11,785.96
  6. Step 6: Final answer
    x = 8,942.48

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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.