Home / 7,688.28-11,534.04-2,493.75

Finding the Fourth Proportional to 7,688.28, 11,534.04 and 2,493.75

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Solution

The fourth proportional to 7,688.28, 11,534.04 and 2,493.75 is: 3,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.28 : 11,534.04 = 2,493.75 : x
  2. Step 2: Convert to fraction form
    7,688.28/11,534.04 = 2,493.75/x
  3. Step 3: Cross multiply
    7,688.28x = 11,534.04 × 2,493.75
  4. Step 4: Simplify right side
    7,688.28x = 28,763,012.25
  5. Step 5: Solve for x
    x = 28,763,012.25/7,688.28
  6. Step 6: Final answer
    x = 3,741.15

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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.