Home / 13,260.92-18,300.06-7,292.68

Finding the Fourth Proportional to 13,260.92, 18,300.06 and 7,292.68

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Solution

The fourth proportional to 13,260.92, 18,300.06 and 7,292.68 is: 10,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.92 : 18,300.06 = 7,292.68 : x
  2. Step 2: Convert to fraction form
    13,260.92/18,300.06 = 7,292.68/x
  3. Step 3: Cross multiply
    13,260.92x = 18,300.06 × 7,292.68
  4. Step 4: Simplify right side
    13,260.92x = 133,456,481.56
  5. Step 5: Solve for x
    x = 133,456,481.56/13,260.92
  6. Step 6: Final answer
    x = 10,063.89

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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.