Home / 11,619.21-16,034.49-6,314.01

Finding the Fourth Proportional to 11,619.21, 16,034.49 and 6,314.01

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Solution

The fourth proportional to 11,619.21, 16,034.49 and 6,314.01 is: 8,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.21 : 16,034.49 = 6,314.01 : x
  2. Step 2: Convert to fraction form
    11,619.21/16,034.49 = 6,314.01/x
  3. Step 3: Cross multiply
    11,619.21x = 16,034.49 × 6,314.01
  4. Step 4: Simplify right side
    11,619.21x = 101,241,930.20
  5. Step 5: Solve for x
    x = 101,241,930.20/11,619.21
  6. Step 6: Final answer
    x = 8,713.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.