Home / 11,720.13-17,580.26-4,794.63

Finding the Fourth Proportional to 11,720.13, 17,580.26 and 4,794.63

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Solution

The fourth proportional to 11,720.13, 17,580.26 and 4,794.63 is: 7,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.13 : 17,580.26 = 4,794.63 : x
  2. Step 2: Convert to fraction form
    11,720.13/17,580.26 = 4,794.63/x
  3. Step 3: Cross multiply
    11,720.13x = 17,580.26 × 4,794.63
  4. Step 4: Simplify right side
    11,720.13x = 84,290,818.03
  5. Step 5: Solve for x
    x = 84,290,818.03/11,720.13
  6. Step 6: Final answer
    x = 7,191.97

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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.