Home / 10,232.80-15,330.30-5,837.20

Finding the Fourth Proportional to 10,232.80, 15,330.30 and 5,837.20

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Solution

The fourth proportional to 10,232.80, 15,330.30 and 5,837.20 is: 8,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,232.80 : 15,330.30 = 5,837.20 : x
  2. Step 2: Convert to fraction form
    10,232.80/15,330.30 = 5,837.20/x
  3. Step 3: Cross multiply
    10,232.80x = 15,330.30 × 5,837.20
  4. Step 4: Simplify right side
    10,232.80x = 89,486,027.16
  5. Step 5: Solve for x
    x = 89,486,027.16/10,232.80
  6. Step 6: Final answer
    x = 8,745.02

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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.