Home / 11,929.88-17,895.10-6,698.36

Finding the Fourth Proportional to 11,929.88, 17,895.10 and 6,698.36

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Solution

The fourth proportional to 11,929.88, 17,895.10 and 6,698.36 is: 10,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.88 : 17,895.10 = 6,698.36 : x
  2. Step 2: Convert to fraction form
    11,929.88/17,895.10 = 6,698.36/x
  3. Step 3: Cross multiply
    11,929.88x = 17,895.10 × 6,698.36
  4. Step 4: Simplify right side
    11,929.88x = 119,867,822.04
  5. Step 5: Solve for x
    x = 119,867,822.04/11,929.88
  6. Step 6: Final answer
    x = 10,047.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.