Home / 9,805.43-13,518.85-8,011.03

Finding the Fourth Proportional to 9,805.43, 13,518.85 and 8,011.03

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Solution

The fourth proportional to 9,805.43, 13,518.85 and 8,011.03 is: 11,044.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.43 : 13,518.85 = 8,011.03 : x
  2. Step 2: Convert to fraction form
    9,805.43/13,518.85 = 8,011.03/x
  3. Step 3: Cross multiply
    9,805.43x = 13,518.85 × 8,011.03
  4. Step 4: Simplify right side
    9,805.43x = 108,299,861.44
  5. Step 5: Solve for x
    x = 108,299,861.44/9,805.43
  6. Step 6: Final answer
    x = 11,044.89

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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.