Home / 11,934.10-16,468.14-6,628.06

Finding the Fourth Proportional to 11,934.10, 16,468.14 and 6,628.06

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Solution

The fourth proportional to 11,934.10, 16,468.14 and 6,628.06 is: 9,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.10 : 16,468.14 = 6,628.06 : x
  2. Step 2: Convert to fraction form
    11,934.10/16,468.14 = 6,628.06/x
  3. Step 3: Cross multiply
    11,934.10x = 16,468.14 × 6,628.06
  4. Step 4: Simplify right side
    11,934.10x = 109,151,820.01
  5. Step 5: Solve for x
    x = 109,151,820.01/11,934.10
  6. Step 6: Final answer
    x = 9,146.21

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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.