Home / 11,451.51-17,180.91-7,295.13

Finding the Fourth Proportional to 11,451.51, 17,180.91 and 7,295.13

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Solution

The fourth proportional to 11,451.51, 17,180.91 and 7,295.13 is: 10,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.51 : 17,180.91 = 7,295.13 : x
  2. Step 2: Convert to fraction form
    11,451.51/17,180.91 = 7,295.13/x
  3. Step 3: Cross multiply
    11,451.51x = 17,180.91 × 7,295.13
  4. Step 4: Simplify right side
    11,451.51x = 125,336,971.97
  5. Step 5: Solve for x
    x = 125,336,971.97/11,451.51
  6. Step 6: Final answer
    x = 10,945.02

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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.