Home / 11,619.12-16,034.36-6,313.94

Finding the Fourth Proportional to 11,619.12, 16,034.36 and 6,313.94

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Solution

The fourth proportional to 11,619.12, 16,034.36 and 6,313.94 is: 8,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.12 : 16,034.36 = 6,313.94 : x
  2. Step 2: Convert to fraction form
    11,619.12/16,034.36 = 6,313.94/x
  3. Step 3: Cross multiply
    11,619.12x = 16,034.36 × 6,313.94
  4. Step 4: Simplify right side
    11,619.12x = 101,239,986.98
  5. Step 5: Solve for x
    x = 101,239,986.98/11,619.12
  6. Step 6: Final answer
    x = 8,713.22

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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.