Home / 11,618.30-17,410.80-7,233.20

Finding the Fourth Proportional to 11,618.30, 17,410.80 and 7,233.20

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Solution

The fourth proportional to 11,618.30, 17,410.80 and 7,233.20 is: 10,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.30 : 17,410.80 = 7,233.20 : x
  2. Step 2: Convert to fraction form
    11,618.30/17,410.80 = 7,233.20/x
  3. Step 3: Cross multiply
    11,618.30x = 17,410.80 × 7,233.20
  4. Step 4: Simplify right side
    11,618.30x = 125,935,798.56
  5. Step 5: Solve for x
    x = 125,935,798.56/11,618.30
  6. Step 6: Final answer
    x = 10,839.43

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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.