Home / 11,585.05-17,378.92-4,192.99

Finding the Fourth Proportional to 11,585.05, 17,378.92 and 4,192.99

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Solution

The fourth proportional to 11,585.05, 17,378.92 and 4,192.99 is: 6,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.05 : 17,378.92 = 4,192.99 : x
  2. Step 2: Convert to fraction form
    11,585.05/17,378.92 = 4,192.99/x
  3. Step 3: Cross multiply
    11,585.05x = 17,378.92 × 4,192.99
  4. Step 4: Simplify right side
    11,585.05x = 72,869,529.91
  5. Step 5: Solve for x
    x = 72,869,529.91/11,585.05
  6. Step 6: Final answer
    x = 6,289.97

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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.