Home / 11,365.77-17,048.62-5,118.47

Finding the Fourth Proportional to 11,365.77, 17,048.62 and 5,118.47

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Solution

The fourth proportional to 11,365.77, 17,048.62 and 5,118.47 is: 7,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.77 : 17,048.62 = 5,118.47 : x
  2. Step 2: Convert to fraction form
    11,365.77/17,048.62 = 5,118.47/x
  3. Step 3: Cross multiply
    11,365.77x = 17,048.62 × 5,118.47
  4. Step 4: Simplify right side
    11,365.77x = 87,262,850.01
  5. Step 5: Solve for x
    x = 87,262,850.01/11,365.77
  6. Step 6: Final answer
    x = 7,677.69

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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.