Home / 11,779.18-17,668.77-3,993.46

Finding the Fourth Proportional to 11,779.18, 17,668.77 and 3,993.46

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Solution

The fourth proportional to 11,779.18, 17,668.77 and 3,993.46 is: 5,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.18 : 17,668.77 = 3,993.46 : x
  2. Step 2: Convert to fraction form
    11,779.18/17,668.77 = 3,993.46/x
  3. Step 3: Cross multiply
    11,779.18x = 17,668.77 × 3,993.46
  4. Step 4: Simplify right side
    11,779.18x = 70,559,526.24
  5. Step 5: Solve for x
    x = 70,559,526.24/11,779.18
  6. Step 6: Final answer
    x = 5,990.19

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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.