Home / 9,433.56-13,018.66-5,242.20

Finding the Fourth Proportional to 9,433.56, 13,018.66 and 5,242.20

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Solution

The fourth proportional to 9,433.56, 13,018.66 and 5,242.20 is: 7,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,433.56 : 13,018.66 = 5,242.20 : x
  2. Step 2: Convert to fraction form
    9,433.56/13,018.66 = 5,242.20/x
  3. Step 3: Cross multiply
    9,433.56x = 13,018.66 × 5,242.20
  4. Step 4: Simplify right side
    9,433.56x = 68,246,419.45
  5. Step 5: Solve for x
    x = 68,246,419.45/9,433.56
  6. Step 6: Final answer
    x = 7,234.43

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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.