Home / 11,140.80-16,714.70-6,703.31

Finding the Fourth Proportional to 11,140.80, 16,714.70 and 6,703.31

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Solution

The fourth proportional to 11,140.80, 16,714.70 and 6,703.31 is: 10,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.80 : 16,714.70 = 6,703.31 : x
  2. Step 2: Convert to fraction form
    11,140.80/16,714.70 = 6,703.31/x
  3. Step 3: Cross multiply
    11,140.80x = 16,714.70 × 6,703.31
  4. Step 4: Simplify right side
    11,140.80x = 112,043,815.66
  5. Step 5: Solve for x
    x = 112,043,815.66/11,140.80
  6. Step 6: Final answer
    x = 10,057.07

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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.