Home / 11,616.33-16,031.91-6,900.63

Finding the Fourth Proportional to 11,616.33, 16,031.91 and 6,900.63

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Solution

The fourth proportional to 11,616.33, 16,031.91 and 6,900.63 is: 9,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.33 : 16,031.91 = 6,900.63 : x
  2. Step 2: Convert to fraction form
    11,616.33/16,031.91 = 6,900.63/x
  3. Step 3: Cross multiply
    11,616.33x = 16,031.91 × 6,900.63
  4. Step 4: Simplify right side
    11,616.33x = 110,630,164.44
  5. Step 5: Solve for x
    x = 110,630,164.44/11,616.33
  6. Step 6: Final answer
    x = 9,523.68

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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.