Home / 11,171.36-15,416.40-6,135.66

Finding the Fourth Proportional to 11,171.36, 15,416.40 and 6,135.66

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Solution

The fourth proportional to 11,171.36, 15,416.40 and 6,135.66 is: 8,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.36 : 15,416.40 = 6,135.66 : x
  2. Step 2: Convert to fraction form
    11,171.36/15,416.40 = 6,135.66/x
  3. Step 3: Cross multiply
    11,171.36x = 15,416.40 × 6,135.66
  4. Step 4: Simplify right side
    11,171.36x = 94,589,788.82
  5. Step 5: Solve for x
    x = 94,589,788.82/11,171.36
  6. Step 6: Final answer
    x = 8,467.17

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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.