Home / 10,947.12-16,416.44-3,549.80

Finding the Fourth Proportional to 10,947.12, 16,416.44 and 3,549.80

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Solution

The fourth proportional to 10,947.12, 16,416.44 and 3,549.80 is: 5,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.12 : 16,416.44 = 3,549.80 : x
  2. Step 2: Convert to fraction form
    10,947.12/16,416.44 = 3,549.80/x
  3. Step 3: Cross multiply
    10,947.12x = 16,416.44 × 3,549.80
  4. Step 4: Simplify right side
    10,947.12x = 58,275,078.71
  5. Step 5: Solve for x
    x = 58,275,078.71/10,947.12
  6. Step 6: Final answer
    x = 5,323.33

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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.