Home / 9,539.87-13,164.97-5,348.12

Finding the Fourth Proportional to 9,539.87, 13,164.97 and 5,348.12

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Solution

The fourth proportional to 9,539.87, 13,164.97 and 5,348.12 is: 7,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.87 : 13,164.97 = 5,348.12 : x
  2. Step 2: Convert to fraction form
    9,539.87/13,164.97 = 5,348.12/x
  3. Step 3: Cross multiply
    9,539.87x = 13,164.97 × 5,348.12
  4. Step 4: Simplify right side
    9,539.87x = 70,407,839.36
  5. Step 5: Solve for x
    x = 70,407,839.36/9,539.87
  6. Step 6: Final answer
    x = 7,380.38

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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.