Home / 11,574.79-17,349.05-5,321.88

Finding the Fourth Proportional to 11,574.79, 17,349.05 and 5,321.88

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Solution

The fourth proportional to 11,574.79, 17,349.05 and 5,321.88 is: 7,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.79 : 17,349.05 = 5,321.88 : x
  2. Step 2: Convert to fraction form
    11,574.79/17,349.05 = 5,321.88/x
  3. Step 3: Cross multiply
    11,574.79x = 17,349.05 × 5,321.88
  4. Step 4: Simplify right side
    11,574.79x = 92,329,562.21
  5. Step 5: Solve for x
    x = 92,329,562.21/11,574.79
  6. Step 6: Final answer
    x = 7,976.78

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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.