Home / 11,700.43-16,146.03-6,395.25

Finding the Fourth Proportional to 11,700.43, 16,146.03 and 6,395.25

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Solution

The fourth proportional to 11,700.43, 16,146.03 and 6,395.25 is: 8,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.43 : 16,146.03 = 6,395.25 : x
  2. Step 2: Convert to fraction form
    11,700.43/16,146.03 = 6,395.25/x
  3. Step 3: Cross multiply
    11,700.43x = 16,146.03 × 6,395.25
  4. Step 4: Simplify right side
    11,700.43x = 103,257,898.36
  5. Step 5: Solve for x
    x = 103,257,898.36/11,700.43
  6. Step 6: Final answer
    x = 8,825.14

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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.