Home / 9,433.88-13,018.80-5,242.16

Finding the Fourth Proportional to 9,433.88, 13,018.80 and 5,242.16

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Solution

The fourth proportional to 9,433.88, 13,018.80 and 5,242.16 is: 7,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,433.88 : 13,018.80 = 5,242.16 : x
  2. Step 2: Convert to fraction form
    9,433.88/13,018.80 = 5,242.16/x
  3. Step 3: Cross multiply
    9,433.88x = 13,018.80 × 5,242.16
  4. Step 4: Simplify right side
    9,433.88x = 68,246,632.61
  5. Step 5: Solve for x
    x = 68,246,632.61/9,433.88
  6. Step 6: Final answer
    x = 7,234.21

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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.