Home / 11,475.42-15,732.94-11,268.06

Finding the Fourth Proportional to 11,475.42, 15,732.94 and 11,268.06

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Solution

The fourth proportional to 11,475.42, 15,732.94 and 11,268.06 is: 15,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.42 : 15,732.94 = 11,268.06 : x
  2. Step 2: Convert to fraction form
    11,475.42/15,732.94 = 11,268.06/x
  3. Step 3: Cross multiply
    11,475.42x = 15,732.94 × 11,268.06
  4. Step 4: Simplify right side
    11,475.42x = 177,279,711.90
  5. Step 5: Solve for x
    x = 177,279,711.90/11,475.42
  6. Step 6: Final answer
    x = 15,448.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.