Home / 11,179.10-16,779.45-6,805.10

Finding the Fourth Proportional to 11,179.10, 16,779.45 and 6,805.10

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Solution

The fourth proportional to 11,179.10, 16,779.45 and 6,805.10 is: 10,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.10 : 16,779.45 = 6,805.10 : x
  2. Step 2: Convert to fraction form
    11,179.10/16,779.45 = 6,805.10/x
  3. Step 3: Cross multiply
    11,179.10x = 16,779.45 × 6,805.10
  4. Step 4: Simplify right side
    11,179.10x = 114,185,835.20
  5. Step 5: Solve for x
    x = 114,185,835.20/11,179.10
  6. Step 6: Final answer
    x = 10,214.22

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1.5x scale

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.