Home / 8,556.03-11,807.37-5,198.58

Finding the Fourth Proportional to 8,556.03, 11,807.37 and 5,198.58

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Solution

The fourth proportional to 8,556.03, 11,807.37 and 5,198.58 is: 7,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.03 : 11,807.37 = 5,198.58 : x
  2. Step 2: Convert to fraction form
    8,556.03/11,807.37 = 5,198.58/x
  3. Step 3: Cross multiply
    8,556.03x = 11,807.37 × 5,198.58
  4. Step 4: Simplify right side
    8,556.03x = 61,381,557.53
  5. Step 5: Solve for x
    x = 61,381,557.53/8,556.03
  6. Step 6: Final answer
    x = 7,174.07

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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.