Home / 8,236.65-11,357.49-5,247.75

Finding the Fourth Proportional to 8,236.65, 11,357.49 and 5,247.75

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Solution

The fourth proportional to 8,236.65, 11,357.49 and 5,247.75 is: 7,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.65 : 11,357.49 = 5,247.75 : x
  2. Step 2: Convert to fraction form
    8,236.65/11,357.49 = 5,247.75/x
  3. Step 3: Cross multiply
    8,236.65x = 11,357.49 × 5,247.75
  4. Step 4: Simplify right side
    8,236.65x = 59,601,268.15
  5. Step 5: Solve for x
    x = 59,601,268.15/8,236.65
  6. Step 6: Final answer
    x = 7,236.11

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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.