Home / 9,451.33-13,042.14-5,418.61

Finding the Fourth Proportional to 9,451.33, 13,042.14 and 5,418.61

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Solution

The fourth proportional to 9,451.33, 13,042.14 and 5,418.61 is: 7,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.33 : 13,042.14 = 5,418.61 : x
  2. Step 2: Convert to fraction form
    9,451.33/13,042.14 = 5,418.61/x
  3. Step 3: Cross multiply
    9,451.33x = 13,042.14 × 5,418.61
  4. Step 4: Simplify right side
    9,451.33x = 70,670,270.23
  5. Step 5: Solve for x
    x = 70,670,270.23/9,451.33
  6. Step 6: Final answer
    x = 7,477.28

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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.