Home / 11,679.22-16,117.42-6,374.08

Finding the Fourth Proportional to 11,679.22, 16,117.42 and 6,374.08

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Solution

The fourth proportional to 11,679.22, 16,117.42 and 6,374.08 is: 8,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.22 : 16,117.42 = 6,374.08 : x
  2. Step 2: Convert to fraction form
    11,679.22/16,117.42 = 6,374.08/x
  3. Step 3: Cross multiply
    11,679.22x = 16,117.42 × 6,374.08
  4. Step 4: Simplify right side
    11,679.22x = 102,733,724.47
  5. Step 5: Solve for x
    x = 102,733,724.47/11,679.22
  6. Step 6: Final answer
    x = 8,796.28

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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.