Home / 13,334.67-18,401.08-7,963.17

Finding the Fourth Proportional to 13,334.67, 18,401.08 and 7,963.17

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Solution

The fourth proportional to 13,334.67, 18,401.08 and 7,963.17 is: 10,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.67 : 18,401.08 = 7,963.17 : x
  2. Step 2: Convert to fraction form
    13,334.67/18,401.08 = 7,963.17/x
  3. Step 3: Cross multiply
    13,334.67x = 18,401.08 × 7,963.17
  4. Step 4: Simplify right side
    13,334.67x = 146,530,796.40
  5. Step 5: Solve for x
    x = 146,530,796.40/13,334.67
  6. Step 6: Final answer
    x = 10,988.71

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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.