Home / 7,992.09-11,015.87-5,338.53

Finding the Fourth Proportional to 7,992.09, 11,015.87 and 5,338.53

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Solution

The fourth proportional to 7,992.09, 11,015.87 and 5,338.53 is: 7,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.09 : 11,015.87 = 5,338.53 : x
  2. Step 2: Convert to fraction form
    7,992.09/11,015.87 = 5,338.53/x
  3. Step 3: Cross multiply
    7,992.09x = 11,015.87 × 5,338.53
  4. Step 4: Simplify right side
    7,992.09x = 58,808,525.78
  5. Step 5: Solve for x
    x = 58,808,525.78/7,992.09
  6. Step 6: Final answer
    x = 7,358.34

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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.