Home / 11,720.12-17,580.26-4,794.62

Finding the Fourth Proportional to 11,720.12, 17,580.26 and 4,794.62

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Solution

The fourth proportional to 11,720.12, 17,580.26 and 4,794.62 is: 7,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.12 : 17,580.26 = 4,794.62 : x
  2. Step 2: Convert to fraction form
    11,720.12/17,580.26 = 4,794.62/x
  3. Step 3: Cross multiply
    11,720.12x = 17,580.26 × 4,794.62
  4. Step 4: Simplify right side
    11,720.12x = 84,290,666.20
  5. Step 5: Solve for x
    x = 84,290,666.20/11,720.12
  6. Step 6: Final answer
    x = 7,191.96

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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.