Home / 11,998.05-16,552.92-7,521.99

Finding the Fourth Proportional to 11,998.05, 16,552.92 and 7,521.99

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Solution

The fourth proportional to 11,998.05, 16,552.92 and 7,521.99 is: 10,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.05 : 16,552.92 = 7,521.99 : x
  2. Step 2: Convert to fraction form
    11,998.05/16,552.92 = 7,521.99/x
  3. Step 3: Cross multiply
    11,998.05x = 16,552.92 × 7,521.99
  4. Step 4: Simplify right side
    11,998.05x = 124,510,898.71
  5. Step 5: Solve for x
    x = 124,510,898.71/11,998.05
  6. Step 6: Final answer
    x = 10,377.59

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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.