Home / 13,230.61-18,258.17-7,262.37

Finding the Fourth Proportional to 13,230.61, 18,258.17 and 7,262.37

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Solution

The fourth proportional to 13,230.61, 18,258.17 and 7,262.37 is: 10,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.61 : 18,258.17 = 7,262.37 : x
  2. Step 2: Convert to fraction form
    13,230.61/18,258.17 = 7,262.37/x
  3. Step 3: Cross multiply
    13,230.61x = 18,258.17 × 7,262.37
  4. Step 4: Simplify right side
    13,230.61x = 132,597,586.06
  5. Step 5: Solve for x
    x = 132,597,586.06/13,230.61
  6. Step 6: Final answer
    x = 10,022.03

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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.