Home / 11,556.88-15,948.47-6,251.68

Finding the Fourth Proportional to 11,556.88, 15,948.47 and 6,251.68

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Solution

The fourth proportional to 11,556.88, 15,948.47 and 6,251.68 is: 8,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.88 : 15,948.47 = 6,251.68 : x
  2. Step 2: Convert to fraction form
    11,556.88/15,948.47 = 6,251.68/x
  3. Step 3: Cross multiply
    11,556.88x = 15,948.47 × 6,251.68
  4. Step 4: Simplify right side
    11,556.88x = 99,704,730.93
  5. Step 5: Solve for x
    x = 99,704,730.93/11,556.88
  6. Step 6: Final answer
    x = 8,627.31

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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.