Home / 11,713.19-16,164.26-6,407.99

Finding the Fourth Proportional to 11,713.19, 16,164.26 and 6,407.99

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Solution

The fourth proportional to 11,713.19, 16,164.26 and 6,407.99 is: 8,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.19 : 16,164.26 = 6,407.99 : x
  2. Step 2: Convert to fraction form
    11,713.19/16,164.26 = 6,407.99/x
  3. Step 3: Cross multiply
    11,713.19x = 16,164.26 × 6,407.99
  4. Step 4: Simplify right side
    11,713.19x = 103,580,424.81
  5. Step 5: Solve for x
    x = 103,580,424.81/11,713.19
  6. Step 6: Final answer
    x = 8,843.06

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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.