Home / 11,141.02-15,374.42-6,662.23

Finding the Fourth Proportional to 11,141.02, 15,374.42 and 6,662.23

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Solution

The fourth proportional to 11,141.02, 15,374.42 and 6,662.23 is: 9,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.02 : 15,374.42 = 6,662.23 : x
  2. Step 2: Convert to fraction form
    11,141.02/15,374.42 = 6,662.23/x
  3. Step 3: Cross multiply
    11,141.02x = 15,374.42 × 6,662.23
  4. Step 4: Simplify right side
    11,141.02x = 102,427,912.87
  5. Step 5: Solve for x
    x = 102,427,912.87/11,141.02
  6. Step 6: Final answer
    x = 9,193.76

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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.