Home / 9,992.19-13,788.27-5,516.13

Finding the Fourth Proportional to 9,992.19, 13,788.27 and 5,516.13

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Solution

The fourth proportional to 9,992.19, 13,788.27 and 5,516.13 is: 7,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.19 : 13,788.27 = 5,516.13 : x
  2. Step 2: Convert to fraction form
    9,992.19/13,788.27 = 5,516.13/x
  3. Step 3: Cross multiply
    9,992.19x = 13,788.27 × 5,516.13
  4. Step 4: Simplify right side
    9,992.19x = 76,057,889.80
  5. Step 5: Solve for x
    x = 76,057,889.80/9,992.19
  6. Step 6: Final answer
    x = 7,611.73

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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.