Home / 11,497.20-17,237.70-5,260.20

Finding the Fourth Proportional to 11,497.20, 17,237.70 and 5,260.20

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Solution

The fourth proportional to 11,497.20, 17,237.70 and 5,260.20 is: 7,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,497.20 : 17,237.70 = 5,260.20 : x
  2. Step 2: Convert to fraction form
    11,497.20/17,237.70 = 5,260.20/x
  3. Step 3: Cross multiply
    11,497.20x = 17,237.70 × 5,260.20
  4. Step 4: Simplify right side
    11,497.20x = 90,673,749.54
  5. Step 5: Solve for x
    x = 90,673,749.54/11,497.20
  6. Step 6: Final answer
    x = 7,886.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.