Home / 11,447.11-17,156.79-4,859.46

Finding the Fourth Proportional to 11,447.11, 17,156.79 and 4,859.46

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Solution

The fourth proportional to 11,447.11, 17,156.79 and 4,859.46 is: 7,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.11 : 17,156.79 = 4,859.46 : x
  2. Step 2: Convert to fraction form
    11,447.11/17,156.79 = 4,859.46/x
  3. Step 3: Cross multiply
    11,447.11x = 17,156.79 × 4,859.46
  4. Step 4: Simplify right side
    11,447.11x = 83,372,734.73
  5. Step 5: Solve for x
    x = 83,372,734.73/11,447.11
  6. Step 6: Final answer
    x = 7,283.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.