Home / 11,449.11-17,159.79-4,861.46

Finding the Fourth Proportional to 11,449.11, 17,159.79 and 4,861.46

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Solution

The fourth proportional to 11,449.11, 17,159.79 and 4,861.46 is: 7,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.11 : 17,159.79 = 4,861.46 : x
  2. Step 2: Convert to fraction form
    11,449.11/17,159.79 = 4,861.46/x
  3. Step 3: Cross multiply
    11,449.11x = 17,159.79 × 4,861.46
  4. Step 4: Simplify right side
    11,449.11x = 83,421,632.69
  5. Step 5: Solve for x
    x = 83,421,632.69/11,449.11
  6. Step 6: Final answer
    x = 7,286.30

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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.