Home / 10,720.72-14,794.37-5,940.62

Finding the Fourth Proportional to 10,720.72, 14,794.37 and 5,940.62

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Solution

The fourth proportional to 10,720.72, 14,794.37 and 5,940.62 is: 8,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.72 : 14,794.37 = 5,940.62 : x
  2. Step 2: Convert to fraction form
    10,720.72/14,794.37 = 5,940.62/x
  3. Step 3: Cross multiply
    10,720.72x = 14,794.37 × 5,940.62
  4. Step 4: Simplify right side
    10,720.72x = 87,887,663.62
  5. Step 5: Solve for x
    x = 87,887,663.62/10,720.72
  6. Step 6: Final answer
    x = 8,197.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.