Home / 11,556.99-15,948.57-6,251.85

Finding the Fourth Proportional to 11,556.99, 15,948.57 and 6,251.85

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Solution

The fourth proportional to 11,556.99, 15,948.57 and 6,251.85 is: 8,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.99 : 15,948.57 = 6,251.85 : x
  2. Step 2: Convert to fraction form
    11,556.99/15,948.57 = 6,251.85/x
  3. Step 3: Cross multiply
    11,556.99x = 15,948.57 × 6,251.85
  4. Step 4: Simplify right side
    11,556.99x = 99,708,090.80
  5. Step 5: Solve for x
    x = 99,708,090.80/11,556.99
  6. Step 6: Final answer
    x = 8,627.51

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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.