Home / 8,133.66-11,231.60-6,362.19

Finding the Fourth Proportional to 8,133.66, 11,231.60 and 6,362.19

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Solution

The fourth proportional to 8,133.66, 11,231.60 and 6,362.19 is: 8,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.66 : 11,231.60 = 6,362.19 : x
  2. Step 2: Convert to fraction form
    8,133.66/11,231.60 = 6,362.19/x
  3. Step 3: Cross multiply
    8,133.66x = 11,231.60 × 6,362.19
  4. Step 4: Simplify right side
    8,133.66x = 71,457,541.39
  5. Step 5: Solve for x
    x = 71,457,541.39/8,133.66
  6. Step 6: Final answer
    x = 8,785.41

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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.