Home / 9,517.80-13,134.98-5,326.12

Finding the Fourth Proportional to 9,517.80, 13,134.98 and 5,326.12

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Solution

The fourth proportional to 9,517.80, 13,134.98 and 5,326.12 is: 7,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.80 : 13,134.98 = 5,326.12 : x
  2. Step 2: Convert to fraction form
    9,517.80/13,134.98 = 5,326.12/x
  3. Step 3: Cross multiply
    9,517.80x = 13,134.98 × 5,326.12
  4. Step 4: Simplify right side
    9,517.80x = 69,958,479.68
  5. Step 5: Solve for x
    x = 69,958,479.68/9,517.80
  6. Step 6: Final answer
    x = 7,350.28

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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.