Home / 11,177.68-16,765.98-3,779.68

Finding the Fourth Proportional to 11,177.68, 16,765.98 and 3,779.68

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Solution

The fourth proportional to 11,177.68, 16,765.98 and 3,779.68 is: 5,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.68 : 16,765.98 = 3,779.68 : x
  2. Step 2: Convert to fraction form
    11,177.68/16,765.98 = 3,779.68/x
  3. Step 3: Cross multiply
    11,177.68x = 16,765.98 × 3,779.68
  4. Step 4: Simplify right side
    11,177.68x = 63,370,039.29
  5. Step 5: Solve for x
    x = 63,370,039.29/11,177.68
  6. Step 6: Final answer
    x = 5,669.34

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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.