Home / 9,517.66-13,137.01-5,539.54

Finding the Fourth Proportional to 9,517.66, 13,137.01 and 5,539.54

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Solution

The fourth proportional to 9,517.66, 13,137.01 and 5,539.54 is: 7,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.66 : 13,137.01 = 5,539.54 : x
  2. Step 2: Convert to fraction form
    9,517.66/13,137.01 = 5,539.54/x
  3. Step 3: Cross multiply
    9,517.66x = 13,137.01 × 5,539.54
  4. Step 4: Simplify right side
    9,517.66x = 72,772,945.68
  5. Step 5: Solve for x
    x = 72,772,945.68/9,517.66
  6. Step 6: Final answer
    x = 7,646.10

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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.