Home / 11,825.98-16,319.27-6,720.83

Finding the Fourth Proportional to 11,825.98, 16,319.27 and 6,720.83

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Solution

The fourth proportional to 11,825.98, 16,319.27 and 6,720.83 is: 9,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.98 : 16,319.27 = 6,720.83 : x
  2. Step 2: Convert to fraction form
    11,825.98/16,319.27 = 6,720.83/x
  3. Step 3: Cross multiply
    11,825.98x = 16,319.27 × 6,720.83
  4. Step 4: Simplify right side
    11,825.98x = 109,679,071.79
  5. Step 5: Solve for x
    x = 109,679,071.79/11,825.98
  6. Step 6: Final answer
    x = 9,274.42

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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.