Home / 11,992.05-16,544.66-7,515.99

Finding the Fourth Proportional to 11,992.05, 16,544.66 and 7,515.99

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Solution

The fourth proportional to 11,992.05, 16,544.66 and 7,515.99 is: 10,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.05 : 16,544.66 = 7,515.99 : x
  2. Step 2: Convert to fraction form
    11,992.05/16,544.66 = 7,515.99/x
  3. Step 3: Cross multiply
    11,992.05x = 16,544.66 × 7,515.99
  4. Step 4: Simplify right side
    11,992.05x = 124,349,461.53
  5. Step 5: Solve for x
    x = 124,349,461.53/11,992.05
  6. Step 6: Final answer
    x = 10,369.32

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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.