Home / 11,825.35-16,319.10-6,520.36

Finding the Fourth Proportional to 11,825.35, 16,319.10 and 6,520.36

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Solution

The fourth proportional to 11,825.35, 16,319.10 and 6,520.36 is: 8,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.35 : 16,319.10 = 6,520.36 : x
  2. Step 2: Convert to fraction form
    11,825.35/16,319.10 = 6,520.36/x
  3. Step 3: Cross multiply
    11,825.35x = 16,319.10 × 6,520.36
  4. Step 4: Simplify right side
    11,825.35x = 106,406,406.88
  5. Step 5: Solve for x
    x = 106,406,406.88/11,825.35
  6. Step 6: Final answer
    x = 8,998.16

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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.