Home / 7,517.51-11,278.89-2,323.38

Finding the Fourth Proportional to 7,517.51, 11,278.89 and 2,323.38

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Solution

The fourth proportional to 7,517.51, 11,278.89 and 2,323.38 is: 3,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.51 : 11,278.89 = 2,323.38 : x
  2. Step 2: Convert to fraction form
    7,517.51/11,278.89 = 2,323.38/x
  3. Step 3: Cross multiply
    7,517.51x = 11,278.89 × 2,323.38
  4. Step 4: Simplify right side
    7,517.51x = 26,205,147.45
  5. Step 5: Solve for x
    x = 26,205,147.45/7,517.51
  6. Step 6: Final answer
    x = 3,485.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.