Home / 11,006.08-15,178.24-7,474.56

Finding the Fourth Proportional to 11,006.08, 15,178.24 and 7,474.56

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Solution

The fourth proportional to 11,006.08, 15,178.24 and 7,474.56 is: 10,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.08 : 15,178.24 = 7,474.56 : x
  2. Step 2: Convert to fraction form
    11,006.08/15,178.24 = 7,474.56/x
  3. Step 3: Cross multiply
    11,006.08x = 15,178.24 × 7,474.56
  4. Step 4: Simplify right side
    11,006.08x = 113,450,665.57
  5. Step 5: Solve for x
    x = 113,450,665.57/11,006.08
  6. Step 6: Final answer
    x = 10,308.00

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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.