Home / 13,201.31-18,217.81-7,233.00

Finding the Fourth Proportional to 13,201.31, 18,217.81 and 7,233.00

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Solution

The fourth proportional to 13,201.31, 18,217.81 and 7,233.00 is: 9,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.31 : 18,217.81 = 7,233.00 : x
  2. Step 2: Convert to fraction form
    13,201.31/18,217.81 = 7,233.00/x
  3. Step 3: Cross multiply
    13,201.31x = 18,217.81 × 7,233.00
  4. Step 4: Simplify right side
    13,201.31x = 131,769,360.45
  5. Step 5: Solve for x
    x = 131,769,360.45/13,201.31
  6. Step 6: Final answer
    x = 9,981.53

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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.