Home / 11,678.91-17,521.04-3,358.99

Finding the Fourth Proportional to 11,678.91, 17,521.04 and 3,358.99

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Solution

The fourth proportional to 11,678.91, 17,521.04 and 3,358.99 is: 5,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.91 : 17,521.04 = 3,358.99 : x
  2. Step 2: Convert to fraction form
    11,678.91/17,521.04 = 3,358.99/x
  3. Step 3: Cross multiply
    11,678.91x = 17,521.04 × 3,358.99
  4. Step 4: Simplify right side
    11,678.91x = 58,852,998.15
  5. Step 5: Solve for x
    x = 58,852,998.15/11,678.91
  6. Step 6: Final answer
    x = 5,039.25

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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.