Home / 10,875.15-16,313.22-4,949.60

Finding the Fourth Proportional to 10,875.15, 16,313.22 and 4,949.60

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Solution

The fourth proportional to 10,875.15, 16,313.22 and 4,949.60 is: 7,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.15 : 16,313.22 = 4,949.60 : x
  2. Step 2: Convert to fraction form
    10,875.15/16,313.22 = 4,949.60/x
  3. Step 3: Cross multiply
    10,875.15x = 16,313.22 × 4,949.60
  4. Step 4: Simplify right side
    10,875.15x = 80,743,832.15
  5. Step 5: Solve for x
    x = 80,743,832.15/10,875.15
  6. Step 6: Final answer
    x = 7,424.62

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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.