Home / 10,817.30-16,204.91-7,108.36

Finding the Fourth Proportional to 10,817.30, 16,204.91 and 7,108.36

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Solution

The fourth proportional to 10,817.30, 16,204.91 and 7,108.36 is: 10,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.30 : 16,204.91 = 7,108.36 : x
  2. Step 2: Convert to fraction form
    10,817.30/16,204.91 = 7,108.36/x
  3. Step 3: Cross multiply
    10,817.30x = 16,204.91 × 7,108.36
  4. Step 4: Simplify right side
    10,817.30x = 115,190,334.05
  5. Step 5: Solve for x
    x = 115,190,334.05/10,817.30
  6. Step 6: Final answer
    x = 10,648.71

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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.