Home / 10,809.44-16,216.55-3,314.03

Finding the Fourth Proportional to 10,809.44, 16,216.55 and 3,314.03

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Solution

The fourth proportional to 10,809.44, 16,216.55 and 3,314.03 is: 4,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.44 : 16,216.55 = 3,314.03 : x
  2. Step 2: Convert to fraction form
    10,809.44/16,216.55 = 3,314.03/x
  3. Step 3: Cross multiply
    10,809.44x = 16,216.55 × 3,314.03
  4. Step 4: Simplify right side
    10,809.44x = 53,742,133.20
  5. Step 5: Solve for x
    x = 53,742,133.20/10,809.44
  6. Step 6: Final answer
    x = 4,971.78

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1.5x scale

Why These Related Problems?

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