Home / 11,760.12-17,644.20-7,372.32

Finding the Fourth Proportional to 11,760.12, 17,644.20 and 7,372.32

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Solution

The fourth proportional to 11,760.12, 17,644.20 and 7,372.32 is: 11,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.12 : 17,644.20 = 7,372.32 : x
  2. Step 2: Convert to fraction form
    11,760.12/17,644.20 = 7,372.32/x
  3. Step 3: Cross multiply
    11,760.12x = 17,644.20 × 7,372.32
  4. Step 4: Simplify right side
    11,760.12x = 130,078,688.54
  5. Step 5: Solve for x
    x = 130,078,688.54/11,760.12
  6. Step 6: Final answer
    x = 11,061.00

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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.