Home / 11,556.80-15,948.36-6,251.61

Finding the Fourth Proportional to 11,556.80, 15,948.36 and 6,251.61

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Solution

The fourth proportional to 11,556.80, 15,948.36 and 6,251.61 is: 8,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.80 : 15,948.36 = 6,251.61 : x
  2. Step 2: Convert to fraction form
    11,556.80/15,948.36 = 6,251.61/x
  3. Step 3: Cross multiply
    11,556.80x = 15,948.36 × 6,251.61
  4. Step 4: Simplify right side
    11,556.80x = 99,702,926.86
  5. Step 5: Solve for x
    x = 99,702,926.86/11,556.80
  6. Step 6: Final answer
    x = 8,627.21

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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.