Home / 10,720.36-14,793.91-5,940.26

Finding the Fourth Proportional to 10,720.36, 14,793.91 and 5,940.26

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Solution

The fourth proportional to 10,720.36, 14,793.91 and 5,940.26 is: 8,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.36 : 14,793.91 = 5,940.26 : x
  2. Step 2: Convert to fraction form
    10,720.36/14,793.91 = 5,940.26/x
  3. Step 3: Cross multiply
    10,720.36x = 14,793.91 × 5,940.26
  4. Step 4: Simplify right side
    10,720.36x = 87,879,671.82
  5. Step 5: Solve for x
    x = 87,879,671.82/10,720.36
  6. Step 6: Final answer
    x = 8,197.46

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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.