Home / 11,427.60-17,141.40-6,222.56

Finding the Fourth Proportional to 11,427.60, 17,141.40 and 6,222.56

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Solution

The fourth proportional to 11,427.60, 17,141.40 and 6,222.56 is: 9,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.60 : 17,141.40 = 6,222.56 : x
  2. Step 2: Convert to fraction form
    11,427.60/17,141.40 = 6,222.56/x
  3. Step 3: Cross multiply
    11,427.60x = 17,141.40 × 6,222.56
  4. Step 4: Simplify right side
    11,427.60x = 106,663,389.98
  5. Step 5: Solve for x
    x = 106,663,389.98/11,427.60
  6. Step 6: Final answer
    x = 9,333.84

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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.