Home / 10,163.40-15,268.52-7,209.18

Finding the Fourth Proportional to 10,163.40, 15,268.52 and 7,209.18

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Solution

The fourth proportional to 10,163.40, 15,268.52 and 7,209.18 is: 10,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.40 : 15,268.52 = 7,209.18 : x
  2. Step 2: Convert to fraction form
    10,163.40/15,268.52 = 7,209.18/x
  3. Step 3: Cross multiply
    10,163.40x = 15,268.52 × 7,209.18
  4. Step 4: Simplify right side
    10,163.40x = 110,073,509.01
  5. Step 5: Solve for x
    x = 110,073,509.01/10,163.40
  6. Step 6: Final answer
    x = 10,830.38

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